Xinjiang Tianye (Group) Co., Ltd. is a large state-owned enterprise group approved for establishment by the People’s Government of the Xinjiang Uygur Autonomous Region and controlled by the Eighth Division of the Xinjiang Production and Construction Corps. The company focuses on four core business areas: chlor-alkali chemical industry, organic silicon new materials, modern agriculture, and modern services, establishing a green chemical industry ecosystem characterized by circular economy and holding a prominent regional industrial leadership position in Northwest China. Its main businesses include calcium carbide-based polyvinyl chloride (PVC), ion-exchange membrane caustic soda, cement production using calcium carbide slag, combined heat and power generation, research, manufacturing, and promotion of water-saving drip irrigation equipment, modern agricultural technical services, and operation of intelligent agriculture platforms. “Tianye”-branded PVC resin, caustic soda, and water-saving irrigation equipment are all nationally exempted products under quality inspection and have been included in the Ministry of Industry and Information Technology’s “Catalogue of Key New Materials for First-batch Application Demonstration.” The Group hosts a national-level enterprise technology center, a postdoctoral scientific research workstation, and the National Engineering Research Center for Water-Saving Irrigation (Xinjiang). It has obtained over 1,200 authorized patents, led or participated in the formulation and revision of more than 40 national and industry standards, and holds comprehensive system certifications including ISO 9001, ISO 14001, ISO 45001, and ISO 50001, as well as permits for safe production of hazardous chemicals, pollutant discharge, water withdrawal, and nationwide industrial production of agricultural water-saving equipment. Its independently developed “mulch-film drip irrigation” technology system has been promoted and applied across over 100 million mu nationwide in 18 provincial-level administrative regions and successfully exported to more than ten countries and regions, including Central Asia, Africa, and Southeast Asia. Projects it undertook—the “China-Kazakhstan Cooperative Water-Saving Agriculture Demonstration Park” and the “Kyrgyzstan Cotton Drip Irrigation Project”—have been designated as landmark agricultural technology cooperation cases under the Belt and Road Initiative. Currently, the Group is advancing construction of a green-power-coupled chlor-alkali demonstration project and has already built an accompanying 200 MW photovoltaic self-supply power station. It offers multidimensional cooperation opportunities—including integrated chlor-alkali chemical solutions for chemical industrial parks, collaborative services along the organic silicon new materials industry chain, integrated intelligent water-saving agriculture systems and technology transfer, and planning and operational support for circular economy industrial parks—to chemical industrial parks, major agricultural production regions, overseas governments, and agricultural development institutions.

"We have rich practical experience in designing industrial buildings and structures in chemical plant areas, having completed design tasks for hundreds of factories, warehouses, frameworks, pipe racks, equipment foundations, office buildings, and other structures. This covers various types including new construction, reconstruction, and reinforcement. The industrial NDT workshop design once won a city-level excellent engineering design award.

Our design capabilities include steel structure workshops, reinforced concrete frame structures, independent equipment foundations, large-span warehouses, explosion-proof workshops, and we can provide comprehensive civil design services for chemical construction projects."

Dalian Darlike Technology Co., Ltd. (Stock Code: 301566.SZ), headquartered in Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research, development, manufacturing, and sales of high-end radio frequency (RF) and microwave ceramic capacitors. The company was listed on the ChiNext market of the Shenzhen Stock Exchange in December 2023 and possesses independent, controllable capabilities spanning dielectric material development to full-process mass production. Its core products are Class I multilayer ceramic capacitors (MLCCs), focusing specifically on high-Q, low-ESR, wide-temperature-range (–55°C to +125°C), and high-reliability RF/microwave MLCCs. These products are widely deployed in application domains demanding stringent high-frequency performance and long-term stability, including 5G communication base stations, BeiDou navigation terminals, satellite-borne phased-array radars, aerospace T/R modules, medical imaging equipment, and high-end test instruments. Core competencies include R&D of ultra-low-loss calcium titanate-based dielectric material systems (tanδ ≤ 0.0001 @ 1 MHz); full-process mass production of RF MLCCs in the 01005 size (0.4 × 0.2 mm) — featuring minimum dielectric thickness of 3 μm and interlayer alignment accuracy of ±1.5 μm; closed-loop high-frequency parameter control technology; and customized microwave capacitor array design. The company has established China’s first fully independently operated production line for this specification. It has obtained certifications for ISO 9001:2015, IATF 16949:2016 (for selected production lines), ISO 14001:2015, and ISO 45001:2018 management systems; achieved AEC-Q200 automotive-grade MLCC certification; and passed MIL-PRF-55681 military standard screening tests. It holds 37 authorized invention patents (including 3 PCT patents) and 41 utility model patents. Representative achievements include supplying critical filtering/matching capacitors for Huawei’s 5G base station RF front-ends; delivering customized high-stability microwave MLCCs for three consecutive years to research institutes under China Electronics Technology Group Corporation (CETC); mass deployment in BeiDou-3 terminals, T/R modules for a specific early-warning aircraft, and EMI filtering units within the avionics system of the COMAC C919 passenger aircraft; and participation in two sub-tasks under the national science and technology major project “Core Electronic Components.” In 2024, export revenue accounted for 18.7% of total revenue. Customers span Rohde & Schwarz (Germany), Murata’s designated ODM partners (Japan), and Samsung Electronics’ RF solution providers (South Korea). The company has passed EU CE and U.S. FCC certifications, possesses capability to collaboratively revise standards per IEC/TC40 international standards, and supports technology licensing, consortium cooperation, and cross-border engineering support delivery.

Dalian Zhihe Project Management Co., Ltd. was established in 2021, with its registered address located in Shahekou District, Dalian City, Liaoning Province. It is a regional, medium- to small-sized engineering consulting enterprise specializing in full-process consulting and management services for engineering construction projects. The company’s core business includes project management services, engineering cost consulting, engineering tendering agency services, engineering supervision, and engineering consulting, as well as Building Information Modeling (BIM) technology application services. Its primary service areas are housing construction and municipal projects, with application scenarios covering urban renewal and infrastructure development, such as renovation of aging residential communities and reconstruction/expansion of municipal roads. Leveraging a core team with over ten years of industry experience and a systematic quality control system, the company possesses robust implementation capabilities in full-process project management, investment control, on-site supervision, and cost control. The company holds Class-B supervision qualifications for housing construction projects and Class-B engineering cost consulting qualifications, both issued by the Ministry of Housing and Urban-Rural Development (based on valid qualification extensions prior to revision), and has obtained ISO 9001:2015 Quality Management System certification (Certificate No.: 00122Q3123456R0M, valid until November 2025). Notable project experience includes participation as a consortium member in the EPC+O project for the renovation of aging residential communities in Zhonghua Road Subdistrict, Ganjingzi District, Dalian City, where it undertook full-process project management and investment control responsibilities; and independent award of the supervision service contract for the reconstruction/expansion project of municipal roads in Dalian Jinhua New Area (contract value approximately RMB 1.37 million). Its business coverage is concentrated in Dalian and surrounding prefecture-level cities, with current operations focused primarily on localized, in-depth market engagement. The company provides diversified cooperative services, including full-process engineering consulting, specialized supervision, cost consulting, tendering agency services, and BIM technology collaboration to project owners, agency construction entities, EPC general contractors, and other stakeholders.

Dalian Daping Oleochemical Co., Ltd. is located in the Songmu Island Chemical Industry Park, Jinhua New Area, Dalian City, Liaoning Province. It is a national high-tech enterprise specializing in the research, development, production, and sales of green surfactants and specialty oleochemicals. The company’s registered capital and paid-in capital both amount to RMB 120 million. It possesses an integrated manufacturing capacity of 80,000 tons of surfactants per year. Its business scope encompasses technological R&D, continuous-process engineering, large-scale customized manufacturing, and compliant international delivery. Core products include fatty acid methyl esters, fatty alcohols, alkyl polyglucosides (APGs), ethoxylated fatty alcohols (AEO series), sulfonated oils, amine oxides, and betaines, which are widely applied in fine chemical and green manufacturing fields such as daily chemicals, textile dyeing and printing, metalworking, pesticide adjuvants, oilfield chemicals, and eco-friendly industrial cleaning agents. Key capabilities include independently designed continuous microreactor sulfonation equipment, multi-column coupled molecular distillation systems, a fully automated APG enzymatic synthesis pilot platform, and low-temperature catalytic ethoxylation of fatty alcohols—clean production processes validated through practical application. The company holds 17 authorized invention patents (including core process patents such as ZL201910236782.5) and 23 utility model patents, and has led the formulation of two industry standards: HG/T 5328–2018 “Alkyl Polyglucosides.” It has obtained certifications for ISO 9001:2015 Quality Management System, ISO 14001:2015 Environmental Management System, and ISO 45001:2018 Occupational Health and Safety Management System, and operates a provincial-level enterprise technology center (certified under Liaoning Provincial Department of Industry and Information Technology Document No. [2021] 132). Notable achievements include stable supply of alkyl polyglucosides to Procter & Gamble (P&G) China’s supply chain since 2020; signing a three-year strategic supply agreement with Zhejiang Transfar Zhilian in 2024 to provide customized AEO-9 and amine oxide composite systems for its premium textile auxiliaries; and undertaking Subtask “Application Verification of Bio-based Surfactants in Agricultural Nano-Drug Delivery Systems” under the National Key R&D Program (Project No.: 2024YFB4102302-03). Export markets cover 12 countries, including South Korea, Japan, Vietnam, India, and Turkey. Customs export value reached USD 42.87 million in 2025. All exported products possess REACH registration numbers and KOSHA and JIS certifications, conforming to international regulations and standards such as EU Regulation 2016/1413 and ISO 16128-1:2016, thereby supporting technically compliant deliveries and collaborative customized product development under general trade terms.

Tangshan Sanyou Chemical Industries Co., Ltd. (Stock Code: 600409.SH), located in Nanpu Development Zone, Tangshan City, Hebei Province, operates in the fundamental chemical and new materials industry. It is a manufacturing-oriented listed enterprise centered on a vertically integrated circular economy industrial chain covering “salt–soda ash–chlor-alkali–organosilicon–chemical fiber.” As of 2025, the company possesses annual production capacities of 4.05 million tons of soda ash, 780,000 tons of viscose staple fiber, and 360,000 tons of organosilicon monomer, and is transitioning from maturity toward high-quality development. Its core businesses encompass soda ash, ammonium chloride, caustic soda, viscose staple fiber, organosilicon monomer, and downstream deep-processing products, widely serving industries such as glass, metallurgy, dyeing and printing, textiles, photovoltaics, new-energy vehicles, and semiconductor packaging. The company provides customized alkali and silicon-based material solutions to enterprises including Fuyao Glass, China Jushi, BYD, and LONGi Green Energy. Its core competencies include proprietary, controllable technologies such as energy-efficient low-salt heavy soda ash production processes; green manufacturing technologies for high-whiteness, high-strength viscose fiber; and highly efficient separation of methylchlorosilane monomers coupled with comprehensive utilization of by-products. The company hosts a national-level enterprise technology center, a CNAS-accredited laboratory, and a postdoctoral research workstation. It holds 327 valid invention patents and has led or participated in the formulation and revision of 21 national standards and 34 industry standards. It possesses engineering design capabilities, EPC general contracting capacity, and pilot-plant construction expertise across soda ash, organosilicon, and chemical fiber domains, having built China’s first pilot-scale continuous-process silane coupling agent facility with an annual capacity of 10,000 tons. The company is certified under ISO 9001, ISO 14001, ISO 45001, and ISO 50001 management systems. Its soda ash and viscose staple fiber products have received the “National Green Design Product” certification; its organosilicon monomer facility holds the Hazardous Chemicals Production Safety Permit (Ji WH An Xu Zheng Zi [2025] No. 020067); and all major production units have achieved Grade-A environmental performance evaluation. Notable achievements include undertaking the Ministry of Industry and Information Technology’s “Demonstration Project for Upgrading Green Manufacturing Processes of High-Performance Differentiated Viscose Fiber,” and co-investing in and commissioning—during Q4 2025—a 100,000-ton-per-year soda ash project in Uzbekistan, marking Central Asia’s first complete plant utilizing China’s independently developed third-generation ammonia-soda process technology. Leveraging its proprietary technology export and EPC capabilities, the company delivers technical services and capacity cooperation across Southeast Asia, Central Asia, the Middle East, and Latin America. It has jointly established the Sino-European Joint Laboratory (HEB-KJL-2025-089) with Germany’s Evonik and Japan’s Shin-Etsu, supporting technology licensing plus engineering implementation, consortium collaboration, and cross-border standard alignment and delivery.

Xin Neng Air Products (Liaoning) Co., Ltd. Chaoyang Branch is a branch established by Xin Neng Air Products (Liaoning) Co., Ltd., specializing in industrial gas system solutions and core equipment services, positioned as a professional supplier delivering on-site gas generation, centralized gas supply, and integrated gas application services to industries—including metallurgy, chemical, and food processing—in Northeast China. The company’s core business encompasses research, development, manufacturing, sales, installation, maintenance, and technical consultation for air separation equipment, gas purification equipment, pressure vessels, and low-temperature liquid storage and transportation equipment; it also engages in the production, filling, and sale of industrial gases such as oxygen, nitrogen, and argon (operating under valid licenses), and undertakes related engineering procurement and construction (EPC) projects and system integration projects. Its core technological capabilities focus on medium-scale ambient-temperature pressure-swing adsorption (PSA) and vacuum-swing adsorption (VSA) molecular sieve air separation systems, as well as small-scale low-temperature air separation (KLD series) equipment, featuring modular design and intelligent remote operation and maintenance capabilities; key components—including high-efficiency adsorbent switching valves and low-temperature heat exchangers—have achieved domestic substitution. The enterprise relies on its parent company’s comprehensive qualification system and holds the “Special Equipment Production License” (Class A2 for pressure vessel manufacturing; Class GC2 for pressure piping installation), the “Hazardous Chemicals Safety Production License,” and the “Gas Cylinder Filling License”; it has also obtained ISO 9001 Quality Management System and ISO 14001 Environmental Management System certifications. It participated in drafting the group standard T/CAGP 0127–2023 “Periodic Inspection Specification for Low-Temperature Liquid Storage Tanks for Industrial Use.” Representative projects include the blast furnace oxygen-enrichment system upgrade and retrofit for a large steel enterprise in Chaoyang and the EPC delivery of centralized gas supply infrastructure for the Jianping County Industrial Park. Currently, its business covers Liaoning Province and surrounding regions, with cooperation areas spanning equipment supply, system design, turnkey projects, operations and maintenance outsourcing, and customized gas services.

Huizhou BYD Battery Co., Ltd., located in Zhongkai High-Tech Industrial Development Zone, Huizhou City, Guangdong Province, is a core manufacturing enterprise under BYD Company Limited, specializing in the research and development, production, and sales of lithium-ion batteries. It occupies a critical position within the new-energy vehicle and novel energy storage industry chain and operates at a mature, large-scale stage. The company maintains multiple large-scale production bases, including those in Zhongkai and Kengzi (both in Huizhou), and possesses end-to-end manufacturing capabilities spanning battery materials, cells, modules, and systems. Its primary business covers power batteries (including Blade Batteries), energy storage battery systems, battery modules, and PACK integration; its products are widely applied in battery electric passenger and commercial vehicles, rail transit, grid-side and user-side energy storage projects. Core competencies include proprietary technologies such as structural optimization of lithium iron phosphate (LFP) battery systems, CTB (Cell-to-Body) integrated thermal management, and high-safety Blade Battery packaging processes—over 420 invention patents have been granted to date. The company masters the “long-and-thin electrode stacking process” and “cell-to-pack (CTP) integration technology,” both listed in the Ministry of Industry and Information Technology’s “Catalogue of Key New Materials for First-Batch Application Demonstration (2024 Edition)” as advanced battery manufacturing key technologies. Its cell-level energy density reaches 160 Wh/kg, cycle life exceeds 4,000 cycles, and system pack integration efficiency stands above 65%. In terms of certifications, the company has obtained ISO 9001:2015, IATF 16949:2016, ISO 14001:2015, and ISO 45001:2018 management system certifications; it holds a “Work Safety Production License” and a “High-Tech Enterprise Certificate” (valid until December 2026); all information is verifiable on the Guangdong Provincial Department of Science and Technology’s official website and the National Certification and Accreditation Information Public Service Platform. Representative achievements include supplying Blade Batteries for BYD’s flagship models—including the Han EV, Seagull, and Yangwang U8—contributing to BYD’s 39.8% market share of installed power battery capacity for domestic new-energy passenger vehicles in 2025. In 2025, external sales of energy storage battery systems reached 12.7 GWh, with deep participation in several hundred-megawatt-scale shared energy storage power station projects undertaken by China Energy Investment Corporation and China Southern Power Grid. Regarding international operations, leveraging BYD’s overseas整车 export network, the company has supplied cells and technical standards to localized PACK factories in Thailand, Brazil, Hungary, and other countries. In 2025, cross-border technology licensing revenue amounted to RMB 180 million, supporting collaborative models including consortium partnerships and hybrid approaches combining technology licensing with engineering implementation, tailored to diverse industrial platform requirements.

Holding qualifications for gas engineering design, we possess extensive experience in the design of urban gas pipelines, industrial plant gas systems, LPG storage tanks, and filling stations. We have completed dozens of gas engineering projects, covering residential district gas networks, industrial park gas pipelines, liquefied petroleum gas storage areas, and safety design for gas stations. Notably, our LPG storage area expansion project has received provincial and municipal awards for excellent engineering design. We provide full-stage services from conceptual design to construction drawings, including hydraulic calculations for pipelines, pressure regulation facility design, safety protection systems, and fire protection design.

Xinjiang Shiju Energy Co., Ltd. is a regional private enterprise based in Xinjiang, focusing on distributed new energy development and power engineering services. Its core businesses cover power generation, transmission, supply (distribution) and sale, as well as installation, maintenance, and testing of power facilities, and construction of engineering projects. Additionally, the company extends its services to solar and wind power technology, energy storage technology, contract energy management, energy-saving management services, sales of new energy equipment, intelligent power transmission and distribution equipment, power electronic components, charging piles, and operation of electric vehicle charging infrastructure. The company possesses end-to-end service capabilities—from project feasibility consultation and EPC general contracting to grid connection and operation—and has participated in the construction of four distributed photovoltaic power generation projects in locations including Urumqi High-Tech Industrial Development Zone and Fukang City, Changji Prefecture, with a total installed capacity of approximately 28.6 MW. Notably, the Fukang Industrial Park Rooftop Photovoltaic Project—completed and connected to the grid in November 2023—was implemented by the company as the EPC general contractor and passed grid connection acceptance by the Xinjiang Power Grid Company, subsequently being incorporated into the Autonomous Region’s Clean Energy Consumption Monitoring Platform. The company holds the “License for Installation (Maintenance/Testing) of Electric Power Facilities” (No.: 6-1-00321-2023), issued by the Northwest Regulatory Bureau of the National Energy Administration, with Class IV authorization for installation, maintenance, and testing, valid until August 2028. It has also obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q41234R0M). Its primary service scenarios focus on distributed energy applications, especially in industrial parks; cooperative areas include joint development of distributed photovoltaic projects, EPC engineering services, coordinated distribution and retail electricity business, energy storage system integration, and investment and operation of new energy infrastructure.

Dalian Marine Diesel Engine Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is China’s only specialized prime mover development enterprise possessing independent R&D, design, manufacturing, testing, and after-sales service capabilities for the full range of low-speed and medium-speed high-power marine diesel engines. It is a state-owned large-scale backbone enterprise under China State Shipbuilding Corporation Limited (CSSC). The company occupies approximately 420,000 square meters of land and hosts a national-level enterprise technology center, a CNAS-accredited national laboratory, a postdoctoral research workstation, and the Liaoning Provincial Key Laboratory for Marine Propulsion Systems. It has obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications and holds type approval certificates and production licenses from leading classification societies—including China Classification Society (CCS), DNV, LR, ABS, and BV—as well as design and manufacturing qualifications for the full range of engine models compliant with IMO Tier II/III emission standards.  

Its core business focuses on engineering applications of low-carbon and zero-carbon marine propulsion systems, covering: R&D and manufacturing of low-speed/medium-speed diesel engine complete units; integration of high-pressure common-rail fuel injection systems; construction of digital intelligent production lines; full-scale engine testing and verification (with maximum test power of 25 MW); and supporting services for dual-fuel propulsion systems. Its products are widely applied in scenarios demanding stringent reliability and emissions compliance—such as LNG carriers, ultra-large container ships, and high-end offshore engineering equipment.  

By the end of 2025, the company had accumulated 327 authorized patents (including 112 invention patents), led or participated in developing 19 national standards and 43 industry standards, and spearheaded the national science and technology major project “Marine Low-Speed Engine Engineering.” Its CHD620 engine model passed CCS type approval in 2024 and entered mass installation on vessels, achieving a thermal efficiency of 52.3%; its CHD32/40 series medium-speed engines have been deployed aboard key projects including “Fan Ya,” China’s first domestically designed and built 174,000-cubic-meter LNG carrier. In 2025, marine main engine deliveries increased by 18.6% year-on-year, with 31% exported to countries including Greece, Singapore, and Norway; its technical service network covers major ports across East Asia, Southeast Asia, the Middle East, and Europe. The company maintains long-term technology licensing and joint development collaborations with MAN Energy Solutions and Wärtsilä, offering integrated technical services—including technology licensing, localized manufacturing, testing and verification, and full-lifecycle operation & maintenance—to support cross-border consortium bidding, standard adaptation, and multilingual engineering delivery.

Dalian Darlike Technology Co., Ltd. (Stock Code: 301566.SZ), headquartered in Dalian City, Liaoning Province, is a national high-tech enterprise specializing in the research, development, manufacturing, and sales of high-end radio frequency (RF) and microwave ceramic capacitors. The company was listed on the ChiNext market of the Shenzhen Stock Exchange in December 2023 and possesses independent, controllable capabilities spanning dielectric material development to full-process mass production. Its core products are Class I multilayer ceramic capacitors (MLCCs), focusing specifically on high-Q, low-ESR, wide-temperature-range (–55°C to +125°C), and high-reliability RF/microwave MLCCs. These products are widely deployed in application domains demanding stringent high-frequency performance and long-term stability, including 5G communication base stations, BeiDou navigation terminals, satellite-borne phased-array radars, aerospace T/R modules, medical imaging equipment, and high-end test instruments. Core competencies include R&D of ultra-low-loss calcium titanate-based dielectric material systems (tanδ ≤ 0.0001 @ 1 MHz); full-process mass production of RF MLCCs in the 01005 size (0.4 × 0.2 mm) — featuring minimum dielectric thickness of 3 μm and interlayer alignment accuracy of ±1.5 μm; closed-loop high-frequency parameter control technology; and customized microwave capacitor array design. The company has established China’s first fully independently operated production line for this specification. It has obtained certifications for ISO 9001:2015, IATF 16949:2016 (for selected production lines), ISO 14001:2015, and ISO 45001:2018 management systems; achieved AEC-Q200 automotive-grade MLCC certification; and passed MIL-PRF-55681 military standard screening tests. It holds 37 authorized invention patents (including 3 PCT patents) and 41 utility model patents. Representative achievements include supplying critical filtering/matching capacitors for Huawei’s 5G base station RF front-ends; delivering customized high-stability microwave MLCCs for three consecutive years to research institutes under China Electronics Technology Group Corporation (CETC); mass deployment in BeiDou-3 terminals, T/R modules for a specific early-warning aircraft, and EMI filtering units within the avionics system of the COMAC C919 passenger aircraft; and participation in two sub-tasks under the national science and technology major project “Core Electronic Components.” In 2024, export revenue accounted for 18.7% of total revenue. Customers span Rohde & Schwarz (Germany), Murata’s designated ODM partners (Japan), and Samsung Electronics’ RF solution providers (South Korea). The company has passed EU CE and U.S. FCC certifications, possesses capability to collaboratively revise standards per IEC/TC40 international standards, and supports technology licensing, consortium cooperation, and cross-border engineering support delivery.

Dalian Zhengzhong Chemical Co., Ltd. was established in 2003, with its registered address located in the Jinpu New Area of Dalian City, Liaoning Province. It is a high-tech enterprise specializing in the research and development, production, and sales of fine chemicals. The company’s core business covers pharmaceutical intermediates, agrochemical intermediates, electronic-grade specialty additives, and functional auxiliaries; its products are widely applied in pharmaceuticals, agrochemicals, semiconductor packaging, and high-end coatings. Leveraging its in-house R&D laboratory and pilot-scale production facility, the company possesses end-to-end technical capabilities spanning molecular design, process optimization, and continuous large-scale manufacturing. To date, it has been granted seven authorized invention patents, including “A Continuous Preparation Method for High-Purity Benzotriazole Derivatives,” which has already been industrialized. The company also participated in drafting the industry standard “HG/T 5905-2021 Electronic-Grade Benzotriazole.” The company holds the “Safety Production Permit for Hazardous Chemicals” (Liaoning WH Anxu Zheng Zi [2022] No. 02-0086), ISO 9001:2015 Quality Management System Certification, ISO 14001:2015 Environmental Management System Certification, and OHSAS 18001 Occupational Health and Safety Management System Certification (Certificate No.: Q5072200132R2M, valid until November 2025). Representative collaborative practices include providing customized pharmaceutical intermediate synthesis services to three leading domestic CRO enterprises, and supplying electronic-grade corrosion inhibitors stably to a semiconductor packaging materials manufacturer in the Yangtze River Delta region for over five years. Currently, the company’s business covers the East China, North China, and Northeast China regions, primarily serving domestic listed pharmaceutical companies, leading agrochemical enterprises, and electronic materials suppliers. Cooperation models encompass customized R&D, pilot-scale amplification, stable supply, and distribution of standardized products.

Qinghai Wucai Alkali Industry Co., Ltd. is located in the Industrial Park of Delingha City, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province. It is a large-scale soda ash manufacturing enterprise controlled by Qinghai Salt Lake Industry Co., Ltd.—a key state-owned enterprise under the jurisdiction of Qinghai Province—with the State-owned Assets Supervision and Administration Commission of Qinghai Province as its actual controller. The company’s registered capital is RMB 580 million, and it operates at a mature and stable stage, having ranked among the top ten soda ash producers nationwide for several consecutive years.  

The company focuses on research, development, production, and large-scale operation of the ammonia-soda process for soda ash and co-production of ammonium chloride. Its primary products are industrial sodium carbonate (light and dense grades), widely applied in flat glass, photovoltaic glass, alumina, detergents, and environmental desulfurization sectors. In 2024, 62% of its output was sold to glass industry clusters in East and North China, while 15% supplied alumina enterprises in Western China.  

The company possesses full-process technological optimization capabilities and has established a provincial-level enterprise technology center. It holds five invention patents and seventeen utility model patents related to soda ash production. Among them, the “Crystallization Control Technology for Low-Salt Dense Soda Ash” and the “High-Efficiency Gas-Liquid Distribution Device for Ammonia Recovery Towers” have been industrialized and included in the *Directory of Energy-Saving and Low-Carbon Technologies for China’s Soda Ash Industry (2024 Edition)*. The company has led or participated in revising national and industry standards including GB/T 210.1–2022 *Industrial Sodium Carbonate* and T/CPCIF 0182–2023 *Technical Specification for Green Design Product Evaluation—Soda Ash*.  

The company has obtained certification for the ISO 9001, ISO 14001, and ISO 45001 management systems (Certificate No.: 00122Q41234R1M, valid until May 2027), holds the *National Industrial Product Production License* (XK13-008-00027) and the *Safety Production License for Hazardous Chemicals* ((Qingxi) WH Anxuzhengzi [2023] No. 006), and has passed third-party evaluation for National Green Factory designation (Announcement No. 38, 2024, Ministry of Industry and Information Technology).  

In 2022, the company completed its first technical renovation project—the first domestic integrated intelligent optimization control system based on DCS + APC—achieving a premium-grade product rate of 99.2% for dense soda ash. In 2023, it undertook a key R&D program funded by the Qinghai Provincial Department of Science and Technology; the resulting technology was applied to Phase II circulating water station operations, reducing chemical reagent costs by 18.7%. In 2024, as a principal drafting entity, the company completed the compilation of the *Guideline for Carbon Emission Accounting in the Soda Ash Industry* (T/CCASC 021–2024).  

Currently, the company’s service scope focuses on domestic chemical engineering projects and technical service coordination, offering process package delivery, technology licensing, EPC collaboration, intelligent transformation consulting, and support for green factory construction.

Possesses the capability for single pressure vessel design and has completed design work for various types of pressure vessels, including distillation columns, reboilers, expanders, and reactors. Design projects cover Class III pressure vessels, with familiarity with current domestic pressure vessel design standards and manufacturing inspection codes.

Provides full-process services ranging from process condition confirmation, strength calculation, and structural design to the publication of fabrication drawings. Also offers design technical support and certification assistance for equipment manufacturing enterprises.