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Tianbang Membrane Technology National Engineering Research Center Co., Ltd. is a high-tech enterprise in China that was among the earliest to focus on membrane material R&D, membrane module manufacturing, and integrated membrane-based water treatment systems. Established through the restructuring of the “National Engineering Research Center for Membrane Technology”—originally approved for construction by the former National Development and Reform Commission—the company possesses a strong academic research background and a foundation for industrialization, with deep expertise in the separation membrane field. It operates at the intersection of environmental protection equipment manufacturing and new materials industries.  

The company’s core businesses include R&D and production of multiple series of membrane materials and membrane elements—such as ultrafiltration (UF), nanofiltration (NF), and reverse osmosis (RO)—as well as customized membrane process system design, equipment supply, and engineering implementation services tailored to applications including advanced treatment of industrial wastewater, municipal wastewater resource recovery, pretreatment for seawater desalination, and specialized separation in pharmaceutical and food industries.  

The company holds proprietary intellectual property rights over polyvinylidene fluoride (PVDF) and polyethersulfone (PES) hollow-fiber membrane formulations and membrane-forming processes. Its core patents cover areas such as structural enhancements for membrane fiber strength, antifouling coating modifications, and integrated modular MBR design. Notably, its patented technology titled “A High-Flux Antifouling PVDF Hollow-Fiber Membrane and Preparation Method Thereof” has been included in the “2023 List of Key Practical Environmental Protection Technologies.”  

The company has obtained China Environmental Label Product Certification, Hygienic Safety Permit for Products Contacting Drinking Water (Tianjin Health Water Permit No. [2021] 0087), and certifications for three management systems: ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018.  

Representative projects include: a zero-liquid-discharge system for high-salinity wastewater at an industrial park in Hebei Province; an antibiotic wastewater MBR+NF reuse project at a pharmaceutical enterprise in Shandong Province; and an upgrade and retrofit project for a reclaimed water plant in Tianjin Binhai New Area. Its service coverage spans North China, East China, and Northwest China.  

The company maintains ongoing industry–academia–research collaboration with Tianjin Polytechnic University and the Institute of Process Engineering, Chinese Academy of Sciences. It provides comprehensive solutions—including membrane material supply, process package design, core equipment integration, and full-lifecycle technical services—to government platforms, industrial enterprises, water utility groups, and engineering EPC contractors.

Tangshan Zhonghao Chemical Co., Ltd. is one of the key production bases of the chemical division of Xuyang Group, specializing in deep processing of coal tar and fine chemical production based on benzene-series compounds, with a strategic focus on research, development, production, and sales of high-value-added coal-based chemicals. The company’s core businesses include hydrogenation refining of crude benzene, coal tar distillation, carbon black oil processing, washing oil refining, and separation and purification of over 30 fine chemical products—such as methylnaphthalene, quinoline, and indole—whose applications span dyes, pharmaceuticals, agrochemicals, rubber auxiliaries, and new materials industries. Leveraging its 200,000-ton-per-year crude benzene hydrogenation unit for producing pure benzene, its 150,000-ton-per-year coal tar distillation unit, and associated refining systems, the company employs hydrogenation refining, precision fractional distillation, and continuous extraction as its core technological pathways, enabling highly efficient, targeted separation and high-purity purification. Its flagship products—including industrial naphthalene, quinoline, and methylnaphthalene—achieve purity levels exceeding 99.5%, with certain specifications surpassing those stipulated in GB/T 2600–2021 and ASTM D1319. The company has obtained certifications for ISO 9001, ISO 14001, and ISO 45001 management systems; holds the “National Industrial Product Production License” (for hazardous chemical organic products), the “Work Safety Production License,” and the “Pollutant Discharge Permit”; and has completed safety instrumented system (SIS) upgrades across all major production facilities, passing compliance reviews conducted by the Hebei Provincial Department of Emergency Management. It operates a provincial-level enterprise technology center and owns eight invention patents and fifteen utility model patents, among which the “Regeneration Process for Crude Benzene Hydrogenation Catalyst” and the “Continuous Directional Extraction and Separation Method for Coal Tar Fractions” have been successfully commercialized. Deeply integrated into Xuyang Group’s integrated coking base, the company has established a short-process, low-carbon, circular model spanning “coking → chemical by-products → fine chemicals.” Its products serve markets across East and South China and are exported to countries including India, South Korea, and Brazil; its foreign trade export value in 2023 totaled approximately RMB 120 million. The company offers diversified cooperation models for upstream and downstream enterprises, including customized raw material refining, collaborative utilization of by-product resources, technology licensing, and joint R&D.

Tangshan Sanfu New Materials Co., Ltd. is a subsidiary controlled by Tangshan Sanfu Silicon Industry Co., Ltd. (Stock Code: 603938). It is positioned as an industrialization platform for electronic-grade silicon-based precursor materials, focusing on the research, development, production, and supply of critical foundational materials for the semiconductor and advanced photovoltaic sectors. The company’s core businesses include electronic-grade polysilicon, electronic specialty gases, and key semiconductor materials. Pilot-scale validation of electronic-grade trichlorosilane and electronic-grade silicon tetrachloride has been completed, and both products have entered the customer sampling and certification phases; they target high-end applications such as N-type photovoltaic cells and 12-inch wafer manufacturing. Leveraging its parent company’s technical expertise in chlor-alkali chemical engineering and silane coupling agents, the company has developed an ultra-low-impurity control process centered on gradient distillation and adsorption purification, enabling stable achievement of electronic-grade purity specifications—namely, Fe, Cr, and Ni < 0.1 ppbw, and B and P < 0.05 ppbw. The company holds three invention patents and five utility model patents related to this technology and has established a provincial-level enterprise technology center branch. In terms of certifications, the company has obtained ISO 9001 Quality Management System and ISO 14001 Environmental Management System certifications; certain production lines comply with SEMI F57 cleanliness standards. Its electronic-grade trichlorosilane received the “Electronic-Grade Chemical Certification Certificate” (EMIA-EC-2024-087) from the China Electronic Materials Industry Association in October 2024, making it one of only a few domestic enterprises capable of mass supply. Its technical specifications have been incorporated into the group standard T/CNAM 0032–2024 “Electronic-Grade Trichlorosilane,” and the company participated in drafting the Ministry of Industry and Information Technology’s “Guidelines for Innovative Development of the Electronic Specialty Gases Industry.” Currently, the company primarily serves leading domestic N-type photovoltaic cell manufacturers and two 12-inch wafer foundries; its electronic-grade silicon tetrachloride has passed preliminary supply-chain review by an international semiconductor equipment manufacturer. Collaboration areas include joint material development, customized supply, collaborative process validation, and localization substitution implementation.

Tangshan Baoshun Chemical Co., Ltd. is a regional fine chemical enterprise specializing in the research, development, production, and sales of aromatic organic intermediates. Based in North China and serving the entire country, the company’s core business includes the large-scale production of key chemical intermediates—such as benzyl chloride, benzyl alcohol, benzaldehyde, and p-chlorobenzaldehyde—as well as related technical consulting services. Its products are widely applied in the synthesis of downstream fine chemicals, including pharmaceuticals, agrochemicals, and dyes; its customer base is concentrated primarily in North China and East China. The company possesses robust capabilities in process implementation and equipment optimization and holds two utility model patents: one covering a condensation reflux device for benzyl chloride distillation columns, and the other covering continuous extraction and separation equipment for benzyl alcohol—demonstrating its technical improvement capabilities in unit operations. The company holds the “Safety Production License for Hazardous Chemicals” (Ji Weihua An Xu Zi [2023] 02-0086), explicitly authorizing production of core products including benzyl chloride and benzyl alcohol, with validity extending to May 2026. Its annual production project of 20,000 tons of benzyl chloride and associated benzyl alcohol has received environmental impact assessment approval from the Tangshan Municipal Ecological Environment Bureau (Tang Huan Shen [2021] 142) and has completed final environmental protection acceptance. Additionally, the company is certified under ISO 9001:2015 (Quality Management System) and ISO 14001:2015 (Environmental Management System), ensuring consistent product quality and regulatory compliance throughout production. The company operates stably, with no administrative penalties, judicial risks, or credit defaults recorded in publicly accessible channels; it enrolls approximately 120 employees in social insurance and maintains sustainable supply capacity and technical service support. In collaboration with upstream and downstream industry chain partners, the company offers various cooperation models, including customized intermediate supply, collaborative process development, technical consultation, and raw material trading.

FinDreams Battery Co., Ltd. is a new-energy battery manufacturing enterprise fully owned by BYD Company Limited, specializing in the research and development, production, and sales of lithium-ion batteries—particularly lithium iron phosphate (LFP) blade batteries—and positioned as a key large-scale production base for BYD’s blade batteries. The company’s core business covers the entire value chain of power batteries and energy storage batteries. Its products have been mass-produced and applied in BYD’s flagship vehicle models—including the Hai Bao (Seal), Song PLUS EV, and Yuan PLUS—and are also supplied to external original equipment manufacturers (OEMs) such as FAW Hongqi and Toyota under cooperative frameworks. Leveraging BYD’s global battery R&D system, the Taizhou facility possesses engineering implementation capabilities in blade battery structural design and Cell-to-Body (CTB) integration technology. It has established fully automated stacking production lines and a full-lifecycle data traceability platform, with automation rates exceeding 98% at critical process steps. The company has obtained certifications for IATF 16949:2016 Automotive Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health and Safety Management System. All battery products have passed national mandatory standard tests including GB/T 31484–2015, GB/T 31486–2015, and GB 38031–2020, and the company has been granted qualification as a supporting battery manufacturer listed in the Ministry of Industry and Information Technology’s (MIIT) “Recommended Catalogue of New Energy Vehicle Models for Promotion and Application.” Its current capacity planning exceeds 20 GWh per year, serving automobile manufacturing clusters across East China, North China, and South China, primarily targeting domestic new-energy vehicle OEMs and energy storage system integrators. It offers multi-dimensional cooperation including customized battery pack development, large-scale supply, technical collaboration, and localized delivery support.

Suizhou Huasheng Industrial Development Co., Ltd. is a municipal state-owned platform enterprise under the supervision of the State-owned Assets Supervision and Administration Commission of the Suizhou Municipal People’s Government. It is positioned as the professional operation entity for key industrial parks at the Suizhou municipal level, providing in-depth support to the clustered development strategy for leading industries—including special-purpose vehicles and components, intelligent equipment, and biopharmaceuticals—during the 14th Five-Year Plan period. The company’s core businesses encompass industrial park development, construction and operational management; infrastructure investment and construction; state-owned asset operation and management; property management; commercial property leasing; investment promotion services; incubation services for technology enterprises; investment and development of new-energy projects; and supply chain management services. Leveraging its functions in land consolidation, standardized factory building construction, improvement of supporting infrastructure, and full-lifecycle services for入园 enterprises within the East Zone of the Suizhou High-tech Industrial Development Zone (including the expansion zone of the Suizhou Special-Purpose Vehicle Industrial Park), the company has completed and put into operation approximately 280,000 square meters of standardized factory buildings and attracted 17 enterprises specializing in special-purpose vehicles and components or emergency equipment, six of which are high-tech enterprises. As the implementing unit, it participated in drafting the provincial standard “Construction and Service Specifications for Special-Purpose Vehicle Industrial Parks in Hubei Province” (DB42/T 2087–2023). The company holds Grade II qualification for real estate development (Certificate No.: E Fang Kai Zheng Zi [2022] 097) and ISO 9001 Quality Management System Certification (Certificate No.: 01222Q31234R0M). Its flagship project—the Phase I of the “Suizhou Intelligent Manufacturing Park for Emergency Equipment”—has been included in the list of key provincial projects for 2024 (Document No.: E Fa Gai Shen Pi [2023] 398). The company offers multi-dimensional cooperation models—including entrusted construction of parks for local governments, operation of industrial facilities, enterprise incubation and cultivation, coordinated investment promotion and project implementation, infrastructure investment and financing, and customized industrial services—to local governments, upstream and downstream enterprises along industrial chains, and specialized service providers.

Suizhou Urban Space Operation and Management Group Co., Ltd. is a municipally owned, wholly state-owned enterprise established with the approval of the Suizhou Municipal People’s Government. It is positioned as a professional operator of urban spatial resources, focusing on the integrated development, quality-enhanced operation, and value enhancement of urban public spaces, idle assets, underutilized land, and supporting facilities. It operates within the urban comprehensive operation segment of modern urban services. The company’s core businesses include market-oriented operations of micro-urban spatial assets such as public parking lots, intelligent parking space systems, outdoor advertising spaces, community convenience service kiosks, smart streetlights, and parking facilities in the ancient city area. It has undertaken specific projects including the renovation of parking facilities in the moat area of the Suizhou Ancient City and operation and maintenance services for 12 intelligent parking space systems in the city’s central urban area. Its core competencies lie in resource integration capability, government-enterprise collaboration mechanisms, and localized scenario-based operational experience. Its business operations rely on resource coordination provided by its parent company—Suizhou State-Owned Capital Investment and Operation Group Co., Ltd.—and authorization from government authorities; it does not engage in general contracting for construction projects or real estate development. The company does not maintain an independent official website; however, its registration information, shareholder structure, key personnel (including legal representative and chairman Wang Tao), and operational status are consistently verifiable on national platforms such as the National Enterprise Credit Information Publicity System, TianYanCha, and QiChaCha. Business updates are frequently reported by local official media outlets, including “Suizhou Release” and “Suizhou Daily.” As of March 2025, its service scope is explicitly confined to the administrative jurisdiction of Suizhou City, with no documented inter-city or international business activities. In collaboration with partners—including government platforms, technology service providers, equipment suppliers, and regional operators—the company advances quality improvement, efficiency enhancement, and sustainable operation of urban spatial assets through commissioned operations, joint construction, and co-development of application scenarios.

Suzhou Invotech Scroll Technologies Co., LTD is a high-tech enterprise specializing in the independent research and development, production, and sales of scroll compressors. The company was listed on the ChiNext of the Shenzhen Stock Exchange in December 2022 (Stock Code: 301272). It has long focused on the commercial refrigeration sector, primarily manufacturing medium- to high-pressure-ratio, high-efficiency, and low-noise scroll compressors. Its products are compatible with multiple refrigerants, including R22, R404A, R410A, R290, and R32, and are widely applied in cold-chain warehousing, commercial air conditioning, and heat-pump heating systems. Some low-temperature models operate stably under conditions as low as -35°C, and its flagship products meet China’s Grade 1 energy-efficiency standard. Leveraging an end-to-end technical system covering R&D, design, manufacturing, and testing, the company masters core technologies in scroll compressor structural design, profile optimization, materials and processing techniques, and intelligent control. As of the end of 2023, it had obtained 147 authorized patents (including 32 invention patents) and had led or participated in the formulation of five national and industry standards, including GB/T 37492—2019. The company has established a provincial-level enterprise technology center and the Jiangsu Province Scroll Compressor Engineering Technology Research Center. Its R&D personnel account for over 25% of total staff, and its R&D investment as a percentage of revenue has exceeded 6% annually for the past three years. It has obtained certifications for ISO 9001, ISO 14001, and IATF 16949 quality management systems, as well as domestic and international market access qualifications, including China Energy-Saving Product Certification, CE Certification, and UL Certification. Its core customers include leading domestic refrigeration equipment manufacturers and system integrators. Its business is concentrated primarily in East China, North China, and South China, while also exporting to Southeast Asia, the Middle East, and South America via ODM/OEM arrangements. The company provides customized compressor solutions, joint development, and bulk supply cooperation to both domestic and international clients.