Distillation is one of the most energy-intensive processes in soda ash production. Based on multiple proprietary technologies (vacuum distillation, sieve tray ammonia distillation tower, etc.), we provide process upgrade and retrofitting services for distillation systems in existing soda ash plants. Our retrofitting experience covers various areas including new energy-saving distillation methods, ammonia distillation system expansion, and mother liquor distillation process modification, with numerous successful retrofitting cases among major domestic soda ash producers.

We hold multiple utility model patents for sieve tray ammonia distillation towers, condensate distillation towers, and other equipment, offering one-stop retrofitting services from scheme comparison and selection to on-site commissioning for plant owners.

We have accumulated rich experience in chemical storage tank and tank farm system design, completing engineering design for numerous projects including liquid ammonia tanks, LPG (liquefied petroleum gas) tanks, chemical intermediate product tanks, and finished product tanks. Among these, the overseas LPG tank farm expansion project won the Provincial Excellent Engineering Design Award and the First Prize at the municipal level. Design capabilities cover atmospheric tanks, cryogenic tanks, pressure tanks and their supporting pipeline systems, fire protection systems, and instrumentation control systems. We can provide safe and reliable overall layout and detailed design solutions tailored to different media characteristics.

Greenland Project - 50,000-ton sodium bicarbonate plant. Urgent! Immediate response required. No financing needed.

A complete process technology for producing industrial phosphoric acid using high-grade phosphate rock as raw material and adopting the semi-hydrate-dihydrate route, developed by the team's own technical force. This technology has a high degree of maturity, and currently 9 industrial units of different scales have been built and operated domestically (according to technical archives). The complete service covers four stages: process package preparation (output of complete technical solution and process flow), basic engineering design (preliminary design), detailed engineering design (construction drawing design), and technical management services (including systematic training of operating personnel and on-site production guidance). The full deliverables include process package documents, process description and flow diagrams, preliminary and detailed design drawings, operation procedure manuals and training materials. Standard service cycle ranges from 4 to 18 months. For overseas markets with rich phosphate rock resources but relatively weak phosphate chemical industry foundation, this technology possesses strong adaptability and economic viability.

Customized energy-saving, consumption-reduction, and technical upgrade services tailored for soda ash and combined alkali production enterprises. Core retrofit directions include: horizontal belt vacuum filter retrofit (replacing traditional vacuum drum filters with proprietary technology, listed in the National Key Energy-Saving Technology Catalog), new energy-efficient distillation system retrofit, calcination system energy optimization, matching adjustments for carbonation and filtration systems, distillation waste liquid treatment system upgrade, heavy soda ash fluidized bed drying system improvement, and mother liquor balance control optimization. Typical projects include: 150,000 tons/year energy-saving distillation retrofit (awarded industry design prize), 1.2 million tons/year filter system energy retrofit, 600,000 tons/year new horizontal belt filter installation, 700,000 tons/year vacuum belt filter technical retrofit, 300,000 tons/year calcination/carbon filtration system retrofit, 200,000 tons/year distillation system retrofit, and 450,000 tons/year CO2 emission reduction and combined alkali energy-saving environmental protection technical retrofit. Senior experts can be dispatched to overseas alkali plants for on-site energy efficiency diagnosis and customized retrofit solution development.

Completed several representative projects in the petrochemical field, including energy-saving assessments for catalytic gasoline hydrogenation units, design of styrene storage and transportation facilities, and design of ethylene storage facilities. Among them, the design of the ethylene storage and transportation facility won the second prize for provincial excellent engineering design, and the energy-saving assessment report received the industry award for excellent engineering consulting achievements. Capable of undertaking services such as engineering design, energy-saving assessment, and dedicated safety facility design for petrochemical units, with solid technical accumulation in low-temperature storage facilities and hazardous chemical storage and transportation system design.

Dalian Aode Ecological & Environmental Protection Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a national high-tech enterprise specializing in comprehensive ecological and environmental management and the application of low-carbon technologies. Its core business covers advanced treatment of industrial wastewater, resource recovery from high-concentration organic waste liquids, synergistic control of VOCs pollution, soil and groundwater remediation, as well as carbon reduction pathway planning and the development of digital environmental management platforms. The company provides end-to-end services—from technology R&D and engineering design to EPC general contracting and intelligent platform operation and maintenance. The company’s clients are primarily concentrated in heavily polluting industries such as pharmaceuticals, chemical parks, new materials, and fine chemicals. In particular, it has developed technical expertise tailored to specific scenarios including targeted conversion of ammonia nitrogen in pharmaceutical wastewater, remediation of permafrost soils during freeze-thaw cycles in cold regions, and full-process VOCs management at the park level. The company’s core technologies include the “Multiphase Flow Coupled Oxidation-Gradient Biofilm Reactor (MBR-EO)” process package, which has achieved stable operation at a scale of 8,000 m³/d and meets Class I A emission standards. The company holds 7 authorized invention patents, 19 utility model patents, and 12 software copyrights. Its independently developed “OdEco-Sense” environmental intelligent monitoring and carbon-efficiency assessment platform has been deployed in six provincial-level parks, including the Dalian Changxing Island Economic Development Zone and the Yingkou Coastal Industrial Base, and is connected to the Ministry of Ecology and Environment’s National Pollutant Discharge Permit Management Information Platform. The company holds a Grade B specialized design qualification for environmental engineering (water pollution control engineering and pollution remediation engineering) (A221008724) and a Grade II professional contracting qualification for environmental protection engineering (D221025022). It has also obtained ISO 9001, ISO 14001, and ISO 45001 certifications and has been included in the list of encouraged enterprises under the Ministry of Ecology and Environment’s “Normative Conditions for the Manufacturing of Environmental Protection Equipment” (second batch, 2024). Typical project achievements include the effluent upgrading and renovation project for the Pharmaceutical Industry Park in Benxi High-Tech Zone, Liaoning Province (completed in 2023), and the upgrade and renovation project for the supporting wastewater treatment plant at the QingShan Industrial Park in Indonesia (contract value: RMB 21.8 million, scheduled for completion in 2025, delivered via modular skid-mounted equipment). The latter project marks the company’s capability to provide EPC general contracting services targeting the Southeast Asian market. The company has obtained the Certificate of Qualification for Foreign Contracting Engineering (Liao Wai Jing Zi [2022] No. 037) and has signed a memorandum of cooperation with the Environmental Research Center of the National Academy of Sciences of Belarus on cold-region remediation technologies, supporting various forms of collaboration such as technology licensing plus engineering implementation, joint bidding, and localized delivery.

"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."

I. Core Production Requirements
This request pertains to small-scale customized production services for powder-based cosmetics and daily chemical raw materials, focusing on the small-batch preparation of peptide active ingredients and compliant daily chemical raw materials. It is tailored for scenarios such as R&D sampling, formula verification, and small-batch trial production. Specific requirements are as follows:
Production Scale: Single-batch output covers the range from a few kilograms to tens of kilograms, flexibly adapting to usage needs at different R&D stages, supporting flexible production for multiple small batches.
Core Process and Equipment Requirements
Must possess freeze-drying (lyophilization) process capabilities, equipped with professional freeze-drying equipment, to meet the drying and shaping needs of heat-sensitive active ingredients such as peptides, ensuring raw material activity and stability;
Must be equipped with precise mixing equipment for solid powders to achieve uniform blending of multi-component raw materials, meeting the homogeneity requirements of cosmetic formulas;
Must have a clean production workshop compliant with cosmetic production regulations, meeting environmental control requirements for daily chemical raw material production.
Raw Material Attributes
Production raw materials are primarily peptide active ingredients, combined with other common cosmetic excipients;
All raw materials are listed in the "Catalog of Cosmetics Raw Materials Already in Use" and comply with national cosmetic regulatory requirements, containing no prohibited ingredients.

II. Cooperation Requirements
The partner must possess relevant qualifications for cosmetics raw material production and be familiar with compliance processes and quality control standards for daily chemical raw material production;
Can provide full-process production services from raw material pretreatment, freeze-drying, mixing, to finished product packaging, supporting customized process adjustments;
Can cooperate with R&D teams for process optimization and small-scale pilot scale-up, ensuring process traceability and product quality stability;
Enterprises with relevant production capabilities and technical strength are welcome to contact for discussions. Production proposals, qualification documents, and cooperation quotations can be provided.

Offering complete production technologies for sodium bicarbonate (baking soda) and food-grade ammonium chloride as extensions of the soda ash industry chain. The innovative design of the carbonation tower without a cooling section in the sodium bicarbonate production unit has been granted a patent by the China National Intellectual Property Administration (2019). Delivered projects cover sodium bicarbonate engineering with various capacity levels ranging from 30,000 to 200,000 tons per year (including scales such as 40,000 tons, 30,000 tons, 37,000-ton expansion, 50,000 tons edible grade, 100,000 tons/year Phase I, and 200,000 tons/year), as well as differentiated product projects such as 4,000 tons/year food-grade ammonium chloride, 50,000 tons/year ammonium chloride granulation, and 100,000 tons/year granular ammonium chloride. Deliverables include complete process package documents, engineering design drawings, operation manuals, and training materials, with a service cycle of approximately 3 to 18 months. This technical solution is particularly suitable for extending product lines and increasing added value based on existing soda ash production capacity.

Catering to the safety and compliance needs of chemical enterprises, we offer a comprehensive suite of safety technical services. Our core deliverables include: safety design diagnostic reports for in-service facilities, dedicated chapters on safety facility design, fire protection design, and occupational health protection facility design. Our team holds specialized qualifications in safety assessment and can concurrently conduct safety evaluations, safety risk assessments, and safety audits. Our service scope covers a diverse range of sectors, including petrochemical refineries, fine chemical companies, electronic material factories, pharmaceutical production workshops, food processing enterprises, military units, and the China-based operations of multinational corporations. To date, we have completed over 100 safety-related projects. For overseas projects, we provide tailored safety design solutions compliant with local safety regulations and international standards (such as OSHA/ATEX).

The Solvay process for soda ash production generates approximately 10 cubic meters of distillation waste liquid per ton of soda ash, making waste liquid treatment a common industry challenge. Leveraging multiple proprietary technologies (such as waste slurry cavity injection, waste slurry mixing, and comprehensive waste liquid treatment), we provide technical retrofit services for the integrated management of waste liquids and sludge to existing Solvay process soda ash enterprises.

We have completed waste liquid treatment retrofit projects of various scales domestically, including large-scale Solvay distillation waste liquid treatment projects with a capacity of one million tons. Depending on the owner's geological conditions, site constraints, and environmental requirements, we offer various technical solutions, including underground cavity injection, solid-liquid separation, and by-product recovery.

This team has been deeply engaged in the soda ash industry for over 60 years (since 1957), ranking first in China for design capability in this field. The technical system comprehensively covers three major process routes: ammonia-soda process, combined alkali process, and natural soda process. Independently developed core technologies include: salt-alkali-calcium joint production process—injecting soda manufacturing waste liquid and residue into underground salt caverns for salt dissolution, desulfurization, and solid filling, which is a world first; horizontal belt vacuum filtration and energy-saving technology for soda ash—recognized by authoritative evaluation as reaching international advanced level and included in the National Key Energy-Saving and Low-Carbon Technology Promotion Catalog; as well as key technologies such as shift gas soda making, pressurized carbonation, solid-phase hydration重型碱, fluidized bed drying, self-returning alkali steam calciner, secondary jet ammonia absorption, and whole-system mother liquor balance interlock control. The team has obtained 7 invention patents and utility model patents, along with 9 industry-recognized proprietary technologies. Past performance encompasses 60 large-scale soda ash projects (based on complete project list statistics), with capacities ranging from 80,000 tons/year to 1,200,000 tons/year, including 3 overseas projects in Iran (20,000 tons/year, 20,000 tons/year, and 80,000 tons/year renovation respectively). Engineering design achievements have repeatedly won national and provincial-level Outstanding Engineering Design Awards (with total awards exceeding 40).

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.

Dalian Aoshenglong New Materials Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a new materials technology promotion and trading service enterprise established in November 2017 and continuously operating, with a registered capital of RMB 5 million. The company’s core business focuses on promoting the suitability of metal materials and metal products for applications in chemical industry-related scenarios. Its service scope covers coal chemical industry, supporting equipment for petrochemical facilities, upgrading and renovation of fine chemical plants, and material selection for environmental protection engineering projects; it also engages in import and export of goods and technologies. Its core capabilities include screening, matching, and localized coordination services for new materials technology solutions. Based on customer requirements, it provides comparative analysis of metal material performance parameters, recommendations regarding corrosion resistance and operational condition suitability, reference lists for import substitution, and supply chain channel support, covering general industrial applications under ambient to medium temperatures (≤400°C) and conventional pressure ratings.