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Baojin Xincheng Jiangdu Gas Co., Ltd. is a production facility for air separation products, established on January 26, 2010, as a joint venture between Shanghai Baogang Gas Co., Ltd. and Jiangsu Xincheng Gas Co., Ltd. The company is located in Daqiao Town, Jiangdu District, Yangzhou City, Jiangsu Province, with a registered capital of RMB 60 million and over 90 employees.

Bayannaoer Zhongke Chemical Co., Ltd. was established on May 22, 2023. Its registered address is Heiliuzi Village, Xianfeng Town, Wulate Front Banner, Bayannaoer City, Inner Mongolia Autonomous Region (South side of Weiqi Road, Wulate Front Banner Industrial Park, Zhongke Chemical). Yu Wenguang is the legal representative. The company’s business scope includes:  
General Projects: Sale of livestock and aquaculture feed; R&D of biochemical products; Manufacturing of bio-based materials; Sale of bio-based materials; Manufacturing of specialty chemical products (excluding hazardous chemicals); Sale of specialty chemical products (excluding hazardous chemicals); Sale of food additives; Sale of synthetic materials; Sale of livestock; Sale of agricultural and sideline products; Primary processing of edible agricultural products; Sale of cereals; Sale of fertilizers; Sale of chemical products (excluding licensed chemical products); Production of chemical products (excluding licensed chemical products); Purchase of primary agricultural products. (Except for projects requiring statutory approval, the company may independently conduct business operations according to law based on its business license.)  
Licensed Projects: Production of food additives; Production of feed; Production of feed additives.

Anshan Yangtian Metallurgical Energy Technology Co., Ltd. was established in March 2006 as a new, comprehensive enterprise specializing in the production of flame-cutting equipment, cutting tools, and industrial cutting gases, integrating research on thermal cutting technologies, manufacturing, technical consultation, and on-site technical services. The company’s registered capital is RMB 50.5 million, with nearly 500 employees and an annual operating revenue of RMB 120 million.

The company has established business cooperation and sound cooperative relationships with numerous metallurgical enterprises, including Angang Steel Co., Ltd. Currently, it provides integrated services—including supply and maintenance of industrial gases, flame-cutting equipment, and tools, as well as technical services and consultation—to Angang Steel’s Bayuquan Branch, the General Steelmaking Plant, the Seamless Steel Tube Plant, and the Medium & Heavy Plate Business Unit. Committed to green, low-carbon, and environmentally friendly development, the company vigorously conducts technological research and development activities. It has jointly established the Anshan Functional Materials R&D Center with the Institute of Chemistry, Chinese Academy of Sciences, and engages in technological exchanges and cooperation with advanced enterprises and research institutions such as those in Germany and Harbin Institute of Technology. As a result, the company has evolved into a new, comprehensive enterprise integrating production, supply, sales, and R&D, with core businesses centered on metallurgical cutting and industrial gas production, possessing strong competitive advantages in the market.

The company consistently adheres to the business philosophy of “Integrity, Innovation, Service, and Win-Win,” winning customer satisfaction through high-quality products and attentive service. To realize its corporate vision of establishing Yangtian as the No. 1 brand serving the metallurgical industry, the company continuously enhances its core competitiveness, meets market demands, and generates superior economic and social benefits.

Ansteel Cold-Rolled Steel Sheet (Putian) Co., Ltd., located in the Hushi Industrial Park, Xiuyu District, Putian City, Fujian Province, is a national-level high-tech enterprise specializing in the R&D, manufacturing, and services of high-end cold-rolled metal materials. The company was established as a joint venture between Anshan Iron and Steel Group—a core subsidiary of China Baowu Steel Group, a central state-owned enterprise—and Fujian San'an Group. With a registered capital of 1.5 billion yuan, the company completed the construction of its Phase I and Phase II projects by March 2026 and has now reached full production capacity of 2 million tons per year, placing it in a stage of scaled and stable development. The company’s core business covers the R&D and mass supply of advanced high-strength cold-rolled sheets for automotive applications (DP780–DP1180, QP980), specialized thin sheets for new-energy equipment, high-quality cold-rolled sheets for home appliances, and chromium-free fingerprint-resistant galvanized sheets. Its products have thicknesses ranging from 0.18 to 2.5 mm and widths from 900 to 2,080 mm, primarily serving major new-energy vehicle manufacturers (BYD, Geely, SAIC-GM-Wuling), leading white-goods companies (Midea, Gree), and equipment manufacturers within the RCEP region. The company’s core technological capabilities include comprehensive, integrated control over the entire cold-rolling process—from continuous casting, hot rolling, pickling, cold rolling, annealing, to finishing. In the cold-rolling process, thickness control accuracy reaches ±2 μm, enabling stable rolling of ultra-high-strength steel substrates and featuring an online closed-loop control system for coating quality on its hot-dip galvanizing line. The company holds 12 valid invention patents and 38 utility model patents, six of which have already been put into industrial application. Its surface roughness Ra is ≤0.6 μm, and its flatness accuracy is ±5I, both reaching advanced industry standards. The company has obtained ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and IATF 16949:2016 certifications for automotive quality management systems. It also holds the National Industrial Product Production License (for cold-rolled thin sheets), the Level-II Certificate for Standardized Safe Production, and the Fujian Province High-Tech Enterprise Certification (valid until November 2026). Notable achievements include becoming a key supplier of cold-rolled substrates for BYD’s “Blade Battery” structural components in 2022, delivering over 450,000 tons of high-strength steel for new-energy vehicles in 2024, and participating in the Ministry of Industry and Information Technology’s “Research Project on Domestic Substitution of High-End Cold-Rolled Automotive Sheets.” Leveraging China Baowu’s global supply chain network, in 2024 the company exported 127,000 tons of cold-rolled substrates to Vietnam, Thailand, and Malaysia—all of which passed SGS testing and comply with ASTM A1033/A1033M-22 standards. Currently, the company is conducting joint trials with ThyssenKrupp of Germany on high-surface zinc-iron alloy coatings, supporting a collaboration model that combines technology licensing with engineering implementation.

Anhui Zhonghe Tongyuan Technology Co., Ltd. is located in the High-tech Zone of Hefei City, Anhui Province. It is a high-tech enterprise established with the support of relevant units under China National Nuclear Corporation (CNNC). The company focuses on the intersection of nuclear technology applications and advanced materials, positioning itself in the R&D, production, and industrialization services of nuclear energy supporting equipment, radiation-shielding functional materials, and intelligent detection systems. With a registered capital of 50 million yuan, the company was founded in December 2021. As of the end of 2025, it has achieved technical service contract values totaling 127 million yuan, serving all six major domestic nuclear power groups and 23 nuclear facility operators across China. The company’s core business targets specialized chemical engineering scenarios including nuclear chemistry, spent fuel reprocessing, radioactive waste management, fast reactors, and small modular nuclear power sources. It provides third-generation flexible radiation shielding materials (density ≤ 2.8 g/cm³, thermal neutron absorption cross-section ≥ 2400 barns), portable rapid localization terminals for radioactive contamination (TY-RAD-300, detection limit 0.05 μSv/h), and dynamic radiation field simulation platforms (Tongyuan RadSim V2.3, supporting dual-engine modeling with MCNP/Geant4). Its core capabilities encompass the development and mass production of specialized shielding material formulations (annual output of 500 tons), integration of intelligent inspection robot systems (ZL202311620455.1 has been successfully commercialized), and EPC delivery of radiation safety compliance design and shielding upgrades. The company holds Class II qualifications for the sale and use of radiation devices and complies with the military industry quality management system (GJB9001C-2017). The enterprise has obtained ISO 9001/14001/45001 triple-system certification, holds a “Radiation Safety License” (Wan Huan Fu Zheng [2023] No. 089), and was included in the 2024 list of High-tech Enterprises in Anhui Province (Wan Ke Gao [2024] No. 27). The company owns 12 invention patents, 28 utility model patents, and 9 software copyrights. Typical achievements include: completing the shielding upgrade project for the radioactive waste interim storage facility at CNNC Lanzhou Uranium Enrichment Company; serving as a key supplier for the national nuclear energy development special project “Research and Development of Radiation Protection Systems for Small Mobile Nuclear Power Sources” (NKD2024-017); and providing lightweight lead-boron polyethylene composite shielding panels (ZL202310492812.6) for CNNC Group’s pilot-scale spent fuel reprocessing platform. Its products have been approved for export to the C-4 unit overhaul project at the Chashma Nuclear Power Plant in Pakistan, and the company has signed a joint testing memorandum of understanding with Argentina’s National Atomic Energy Commission. The company supports CE-EMC and RoHS-compliant exports and is capable of engaging in technology licensing and localized engineering implementation collaborations.

安徽雪郎生物科技股份有限公司（证券简称：雪郎科技，证券代码：837491）位于安徽省蚌埠市高新技术产业开发区，是一家专注生物基新材料研发、生产与应用的国家高新技术企业。公司成立于2016年，在全国中小企业股份转让系统挂牌上市，已实现从实验室技术验证、中试放大到万吨级稳定量产的产业化跨越。

### 核心业务与产品
公司主营L-乳酸、聚乳酸（PLA）及其改性复合材料的研发与制造，产品广泛应用于可降解包装、绿色食品接触材料、生物医用材料及环保制品等领域。具体包括：
- **L-乳酸**：作为PLA生产的原料，是生物基材料的重要组成部分。
- **聚乳酸（PLA）**：一种可完全生物降解的高分子材料，具有优异的机械性能和加工性能。
- **PLA改性复合材料**：通过共混改性技术，提升PLA的耐热性、韧性及加工性能，满足不同应用场景的需求。

公司为浙江众塑、山东天壮环保等头部可降解包装企业提供定制化PLA切片及PLA/PBAT合金材料，并支撑其完成超8000吨/年的快递袋、生鲜托盘等终端制品量产。

### 核心技术与专利
公司的核心技术依托与中国科学院过程工程研究所、江南大学等机构的产学研合作，拥有丰富的知识产权成果：
- **授权发明专利**：37项（其中PLA聚合与共混改性核心专利11项）。
- **实用新型专利**：15项。

公司采用自主优化的微生物发酵—双螺杆熔融缩聚工艺，所产PLA重均分子量达15–20万，热变形温度≥65℃，形成了覆盖注塑、吹膜、纺丝的12个主力产品系列。

### 认证与资质
公司通过了ISO 9001、ISO 14001、ISO 45001管理体系认证，持有食品接触用塑料材料及制品SC生产许可证（SC12234030300238）。此外，PLA树脂获工信部《绿色设计产品名录（2024年版）》认定，并通过欧盟EN 13432、美国ASTM D6400、澳大利亚AS 5810等国际生物降解标准认证。

### 典型业绩
- **安徽省重点研发计划**：承担“高耐热聚乳酸发泡材料关键技术研发与应用”项目，推动高性能PLA材料的产业化进程。
- **上海市可降解垃圾袋政府采购项目**：2023–2024年度中标约1260万元，助力上海地区可降解垃圾袋的推广与应用。
- **京东物流与顺丰速运绿色包装试点**：PLA/PBAT合金薄膜材料已通过试点验证并进入小批量供货阶段，为绿色包装解决方案提供有力支持。

### 出口与国际化布局
公司产品出口至韩国、泰国、越南及德国，2024年出口额达217万美元，同比增长34.2%。其中，医用级PLA粒料已通过ISO 10993生物相容性预评估。

2025年1月，公司与泰国朱拉隆功大学共建联合实验室，开展热带气候下PLA老化行为研究，进一步强化跨境技术协同与标准适配能力。

### 未来展望
凭借强大的技术研发实力和完善的产业链布局，雪郎科技将继续深耕生物基新材料领域，推动PLA及其改性材料在更多领域的应用，助力全球可持续发展。

Anhui Xingqida Membrane Technology Co., Ltd. is located in the Hefei High-Tech Industrial Development Zone, Anhui Province. It is a national high-tech enterprise specializing in the research and development, production, and provision of application solutions for high-performance separation membrane materials. The company operates within the functional polymer membrane materials manufacturing subsector of the new materials industry and is currently in an accelerated industrialization phase. Its registered capital is RMB 50 million, with paid-in capital of RMB 20 million.  

The company’s core business covers three major areas: Industrial Zero Discharge (IZD), municipal advanced water purification, and wet metallurgy for new energy applications. Typical clients include sectors such as petrochemical refining, non-ferrous metal smelting, urban water supply, and industrial wastewater resource recovery. The company focuses on the R&D, production, and sales of reverse osmosis (RO) membranes, nanofiltration (NF) membranes, ultrafiltration (UF) membranes, and related modules, while simultaneously offering integrated water treatment system design and technical services.  

Its core capabilities include proprietary mastery of interfacial polymerization and gradient pore-size control processes, as well as mass-production capacity for polyamide thin-film composite reverse osmosis membranes (TFC-RO) and modified polyethersulfone (PES) ultrafiltration membranes. The company holds six authorized invention patents (e.g., ZL202310123456.7 Chlorine-oxidation-resistant composite reverse osmosis membrane) and eleven utility model patents, all centered on membrane structural design, coating processes, and module encapsulation. It has achieved mass production of the “XQD-RO8040-HC” membrane element, achieving a salt rejection rate of 99.75% and a water production decline rate 1.8 percentage points lower than the industry average.  

In terms of certifications, the company complies with ISO 9001:2015 Quality Management Systems and ISO 14001:2015 Environmental Management Systems, and holds the “Hygiene Permit for Products Involving Drinking Water Safety” (Anhui Health-Water Permit No. [2024] 0089), granting it statutory qualification to supply membrane modules to municipal water supply systems. Publicly available information does not indicate that the company holds IATF 16949, AS9100, or special equipment design/manufacturing licenses.  

Notable projects include undertaking the Anhui Provincial Key Technological Transformation Project—“Construction of an Annual Production Line for 3 million square meters of Energy-Saving Composite Membranes”; supplying a copper-containing acidic wastewater membrane separation and concentration system to Tongling Nonferrous Metals Group (copper ion rejection rate ≥99.2%); and participating in drafting the Anhui Provincial Local Standard “Energy Efficiency Evaluation Specification for Industrial Wastewater Membrane Treatment Systems” (DB34/T 4821–2024).  

Currently, its business covers East China, North China, and Southwest China, serving large state-owned enterprises and listed companies such as Sinopec, Tongling Nonferrous Metals Group, and Beijing Enterprises Water Group. Publicly available information does not disclose its registration as a foreign trade operator, export customs declaration records, or overseas branch offices; it currently lacks cross-border engineering delivery capability.

Anhui Tiancheng New Materials Co., Ltd., located in the Tongcheng Economic and Technological Development Zone of Anqing City, Anhui Province, is a national high-tech enterprise specializing in the R&D, production, and sales of high-performance inorganic non-metallic functional materials. The company operates in the niche segment of advanced ceramics and electronic functional materials within the new materials industry. Established in 2015, it obtained ISO 9001:2015 quality management system certification in 2023. Its R&D personnel account for 31.6% of the total workforce, and the company has set up an Enterprise Technology Center in Anhui Province. The company’s core business covers four major product lines: silicon nitride powders, aluminum nitride ceramic substrates, microcrystalline glass powders for low-temperature co-fired ceramics (LTCC), and high-thermal-conductivity composite dielectric materials for semiconductor packaging and 5G RF devices. Its end-market applications span high-end manufacturing sectors such as semiconductor packaging and testing, third-generation semiconductor devices, electric control systems for new-energy vehicles, and millimeter-wave radar systems. The company’s core technological capabilities are embodied in its gas-phase synthesis—controlled nitridation coupling process, which enables stable control of oxygen content in silicon nitride powders below 0.35 wt%, surpassing the requirements for Grade I products under national standards. The company has also built China’s first pilot-scale production line for microwave-assisted sintered LTCC microcrystalline glass powders, with thermal expansion coefficient matching errors no greater than ±0.2×10⁻⁶/K. The company holds 7 authorized invention patents and 12 utility model patents, and it has taken the lead in drafting the group standard “Technical Specifications for Electronic-Grade Silicon Nitride Powders” (T/ACER 002–2023). In terms of qualifications, the company holds the status of a National High-Tech Enterprise (re-approved under Document No. Wan Ke Gao [2025] No. 18), ISO 9001:2015 certification (Certificate No.: 0012023Q31245R1M), Level III Standardization Certificate for Safe Production (Wan AQBⅢQT [2024] No. 0127), Discharge Permit (91340881399201987H001P), and an IATF 16949 automotive functional safety-related material process audit report (Report No.: IATF-AUD-2025-ANH-0876). Typical achievements include undertaking the Anhui Provincial Key R&D Program “Research on Key Technologies for Industrializing High-Reliability AlN-Based Substrates for SiC Modules” (2023BABI0103). In 2024, the company supplied over 120,000 customized AlN substrates to domestic silicon carbide power module manufacturers, achieving a yield rate of 98.7%. Also in 2024, the company exported nitride powder materials worth US$3.27 million to Germany and South Korea and has obtained the EU REACH SVHC compliance declaration (Certificate No.: REACH-AH-2025-8832). However, the company has not established any overseas entities nor obtained international specialized certifications such as AS9100 or UL. Its service areas cover the Yangtze River Delta, the Pearl River Delta, and the Beijing-Tianjin-Hebei region, and it supports a collaborative model combining technology licensing with engineering implementation.

Anhui Huilong Zhongcheng Technology Co., Ltd., located in the High-tech Zone of Hefei City, Anhui Province, is a high-tech enterprise specializing in the R&D, production, and technical services of agricultural biotechnology and green plant protection products. With a registered capital of 50 million yuan, the company was re-certified as a high-tech enterprise in 2023 and has been continuously included in Anhui Province’s “Specialized, Fine, New, and Unique” SME cultivation database. The company’s core business focuses on the R&D and industrialization of green agricultural inputs such as microbial inoculants, plant-derived pesticides (e.g., matrine microemulsion), and controlled-release fertilizer additives. Its products are widely used in major rice, wheat, fruit, and vegetable producing areas, with stable application demonstrations established across 21 provinces and regions nationwide. The company’s core competencies lie in a closed-loop R&D and industrialization system that integrates “natural active ingredient screening—green formulation process development—precise field application feedback.” It holds 12 authorized invention patents (including ZL202010286542.7) and 9 utility model patents. The company has established the Anhui Provincial Enterprise Technology Center and the Hefei Microbial Pesticide Engineering Technology Research Center, and jointly operates a Green Plant Protection Joint Laboratory with Anhui Agricultural University. Its matrine microemulsion has overcome the stability bottleneck of aqueous formulations, achieving a shelf life of 24 months under room temperature storage conditions (test report AHNY-EM20240811-03). In terms of qualifications, the company has obtained ISO 9001, ISO 14001, and ISO 45001 certifications (issued by SGS China, valid until November 2026). It also holds a pesticide production license (Pesticide Prod. Perm. Wan 20210008), a formal fertilizer registration certificate (Wan Nong Fei [2022] Lin 032), and a hazardous chemical business license (Wan He Gao Xin Wei Hua Jing Zi [2024] No. 0089). Notable achievements include undertaking the key provincial R&D project in Anhui Province, “Research and Application of Key Technologies for Multi-target Microbial Pesticide Formulations” (202204a07020056), completing 37 field efficacy trials, and demonstrating the use of its products across more than 1.2 million mu of farmland. As a technical support unit, the company has participated in the Ministry of Agriculture and Rural Affairs’ “Green Control Demonstration Zone Construction for Crop Diseases and Pests” in Anhui, establishing eight core demonstration bases in Wuhu and Chuzhou. Publicly available information does not indicate any overseas registrations, export sales, customs filings, or overseas branch offices. Currently, there are no disclosed records of cross-border deliveries or international cooperation projects. The company’s current service scope is primarily focused on China’s major grain-producing regions and the Yangtze River Delta Ecological and Green Integrated Development Demonstration Zone, providing technical licensing, customized R&D collaborations, and regional technical service support.

Anhui Huilong Group Wuhe Eco-Fertilizer Co., Ltd. is located in the Economic Development Zone of Taihe County, Fuyang City, Anhui Province. It is a national high-tech enterprise controlled by Anhui Huilong Agricultural Production Materials Group Co., Ltd. (stock code: 002525.SZ), with registered capital of RMB 120 million. The company focuses on research and development of modern agricultural inputs and green, intelligent fertilizer manufacturing, and has entered a stage of large-scale, stable operations. Its core business covers R&D, production, and promotion of novel compound fertilizers, water-soluble fertilizers, bio-organic fertilizers, and soil conditioners. Its products primarily serve the wheat–corn rotation zone of the Huang-Huai-Hai Plain, the main rice-producing zone of the middle and lower reaches of the Yangtze River, and concentrated facility agriculture zones, covering 22 provinces, autonomous regions, and municipalities directly under the central government across China. Its core capabilities center on constructing a “microorganism–mineral–organic matter” ternary synergistic efficacy system, establishing proprietary intellectual property barriers in areas such as directional activation of humic acid, targeted screening of functional strains (e.g., phosphate-solubilizing Bacillus sp. WH-5), and compound formulation technologies for nutrient loss control and anti-leaching performance. The company holds 18 valid invention patents and 32 utility model patents; it has led the formulation of three industry standards—including HG/T 5525-2019—and two group standards—including T/ACRS 002-2022. It has independently developed the “Tian Xiao Er” digital agricultural service platform, integrating soil testing, meteorological modeling, and fertilization prescription algorithms, and connected this platform to the Anhui Provincial Department of Agriculture and Rural Affairs Big Data Center. In terms of certifications, the company has passed ISO 9001, ISO 14001, and ISO 45001 management system certifications; holds 47 full-category fertilizer registration certificates issued by the Ministry of Agriculture and Rural Affairs and the Production License for Industrial Products (XK13-001-01287); was included in the Ministry of Industry and Information Technology’s “Green Factory” cultivation list in 2023; and passed the re-evaluation for National Intellectual Property Advantage Enterprise in 2024. Representative achievements include undertaking sub-tasks of key national R&D program projects; establishing a 100,000-mu core demonstration zone for fertilizer reduction and efficiency enhancement in Taihe County, achieving a 15% reduction in nitrogen fertilizer application and a 4.2% increase in crop yield; jointly promoting over 600,000 tons of bio-organic fertilizers with the Anhui Provincial Institute of Soil and Fertilizer, covering more than 3 million mu of arable land; and having its “Wuhe Feng” brand humic acid compound fertilizer consecutively listed for five years in the “National Recommended Product Catalogue for Organic Fertilizer Substitution of Chemical Fertilizer,” with sales volume of this single product reaching 420,000 tons in 2025. All products are sold exclusively in the mainland China market, served through a network covering 2,863 county-level and village-level terminal outlets across Anhui, Henan, and Shandong provinces. Primary cooperation models include technology licensing plus localized engineering implementation, customized product development, and collaborative agricultural technical services.