Updated Sep 16, 2026 · Public platform & industry data

Sep 16, 2026 Updated

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2026 Top 10 Polymer Diaphragm Manufacturers in China

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Top-rated Polymer Diaphragm suppliers, How to choose a Polymer Diaphragm manufacturer, Best Polymer Diaphragm companies in China

The top 10 Polymer Diaphragm manufacturers in China for 2026 are: Kunshan Dongen Tuo Environmental Protection Equipment Co., Ltd, Shanghai Youcheng International Trade Co., Ltd, Shanghai Yinobeili Trading Co., Ltd, Shanghai Xinzao Industrial Co., Ltd, Dongguan Wanhe Plastic Raw Materials Co., Ltd, Dongguan Kaiwan Engineering Plastic Raw Materials Co., Ltd, Dongguan Price Plastic Raw Materials Co., Ltd, Dongguan Zhangmutou Yutao Plastic Raw Material Business Department, Dongguan Zhangmutou Lanqiao Plastic Raw Material Business Department, Dongguan Zhengtao Plastic Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

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Top 1
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Kunshan Dongen Tuo Environmental Protection Equipment Co., Ltd
Overall Score4.9 / 5
Est. Date2021-07-05
Registered Capital550K CNY

Kunshan Dongen Tuo Environmental Protection Equipment Co., Ltd., registered at Room 1815, Building 4, Zhongcheng Business Plaza, No. 259 Shangxiang Road, Huaqiao Town, Kunshan City, Suzhou City, registered with Kunshan Data Bureau, with Yang Zongyang as the legal representative. Its business scope includes licensed projects such as construction projects (excluding nuclear power plant construction and operation, civil airport construction); Residential interior decoration and renovation; Highway management and maintenance; Roadbed and pavement maintenance operations; Construction labor subcontracting; Electrical installation services (projects that require approval by law and can only be carried out after approval by relevant departments, with specific business projects subject to approval results) General projects: sales of specialized environmental protection equipment; Sales of pumps and vacuum equipment; Sales of hydraulic power machinery and components; Sales of mechanical equipment; Maintenance of electronic and mechanical equipment (excluding special equipment); Sales of metal products; Sales of office equipment; Sales of firefighting equipment; Sales of capacitors and their supporting equipment; Sales of environmental emergency technical equipment; Sales of electrical equipment; Sales of electrical accessories; Sales of intelligent instruments and meters; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Labor services (excluding labor dispatch); Instrument and meter repair; Sales of chemical products (excluding licensed chemical products); Mechanical equipment leasing; Water pollution prevention and control services; Engineering management services; Water pollution control; Air pollution control; Environmental consulting services; Solid waste management; Construction of earthwork engineering; Building cleaning services (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law). Core products: Polymer Diaphragm, Filter Plate, Valve Body And Valve Core

Top 2
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Shanghai Youcheng International Trade Co., Ltd
Overall Score4.7 / 5
Est. Date2019-03-11
Registered Capital2000K CNY

Shanghai Youcheng International Trade Co., Ltd., with its registered address at Room 304, 3rd Floor, Building 1, No. 38, Lane 135, Lipu Road, Jinshan District, Shanghai, is registered with the Jinshan District Market Supervision and Administration Bureau and represented by Chen Bo as the legal representative. Its business scope includes general projects such as import and export of goods; Technology import and export; Import and export agency; Information consulting services (excluding licensed information consulting services); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of rubber products; Sales of plastic products; Sales of chemical products (excluding licensed chemical products); Sales of mechanical and electrical equipment; Sales of mechanical parts and components; Wholesale of hardware products; Retail of hardware products; Sales of daily necessities; Needle textile sales; Sales of needle textiles and raw materials; Wholesale of clothing and apparel; Clothing and apparel retail; Sales of clothing accessories; Sales of wind and electric tools; Sales of audio equipment; Electronic product sales; Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Sales of valves and plugs; Sales of electrical equipment; Sales of steel reinforcement products for construction; Sales of building materials; Sales of building decoration materials. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: hazardous chemical operation. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Polymer Diaphragm, Polyvinylidene Fluoride, Wire Sheath

Top 3
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Shanghai Yinobeili Trading Co., Ltd
Overall Score4.7 / 5
Est. Date2019-10-17
Registered Capital1000K CNY

Shanghai Yino Beili Trading Co., Ltd., registered at J, 2nd Floor, Building 39, No. 52 Chengliu Road, Jiading District, Shanghai, with the registration authority of Jiading District Market Supervision Administration and the legal representative of Tang Nan. Its business scope includes general projects: sales of plastic products; Retail of cosmetics; Sales of labor protection equipment. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Polymer Diaphragm, Polydodecylamine, Electronic And Electrical Components

TOP4
Shanghai Xinzao Industrial Co., Ltd
Overall Score4.6 / 5
Est. Date2018-06-12
Registered Capital1000K CNY

Shanghai Xinzao Industrial Co., Ltd. is registered at Room 223, 2nd Floor, Building 3, No. 69 Huafang Road, Qingpu District, Shanghai. The registration authority is the Qingpu District Market Supervision Administration, and the legal representative is Mo Zong. The company's business scope includes the sale of chemical products and raw materials (excluding hazardous chemicals, monitoring chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), plastic products, mechanical equipment, import of goods and technology, cultural and artistic exchange planning and consulting, corporate image planning, marketing planning, conference services, exhibition and display services, artistic creation and performance, stage construction, wedding etiquette services, technical consulting and technical services in the field of plastic technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Polymer Diaphragm, Abs, Eva

TOP5
Dongguan Wanhe Plastic Raw Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2023-02-27
Registered Capital1000K CNY

Dongguan Wanhe Plastic Raw Materials Co., Ltd., with its registered address at Room 201, No. 6, Lane 10, Baiguodong South District, Zhangmutou Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Yue Mengyun, and its business scope includes general projects such as sales of synthetic materials; Sales of plastic products; Sales of engineering plastics and synthetic resins; Sales of surface functional materials; Sales of new organic active materials; Sales of rubber products; Sales of chemical products (excluding licensed chemical products); Sales of specialized chemical products (excluding hazardous chemicals); Import and export of goods; Technology import and export. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Polymer Diaphragm, Japanese Wu Yu, Japanese Electrical Chemistry

TOP6
Dongguan Kaiwan Engineering Plastic Raw Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2020-12-23
Registered Capital1000K CNY

Dongguan Kaiwan Engineering Plastic Raw Materials Co., Ltd. is registered at Room 115, Building 6, No. 75 Xianwei Road, Zhangmutou Town, Dongguan City, Guangdong Province. The registration authority is Dongguan Market Supervision Administration, and the legal representative is Guo Xianming. The business scope includes the sale of plastic raw materials, engineering plastics, plastic accessories, plastic additives, and plastic products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Polymer Diaphragm, ,

TOP7
Dongguan Price Plastic Raw Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2020-12-10
Registered Capital500K CNY

Dongguan Price Plastic Raw Materials Co., Ltd., registered at Room 1110, No. 417 Changma Road, Changping Town, Dongguan City, Guangdong Province, with the Dongguan Market Supervision Administration as the registration authority and Wenli as the legal representative, engages in wholesale, retail, and online sales of plastic raw materials, plastic pellets, polymer materials, plastic accessories, rubber raw materials, plastic additives, colorants, plastic products, monofilaments, plastic molds, mechanical equipment, and profiles; Import and export of goods or technology (excluding goods and technology prohibited by the state or subject to administrative approval). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Polymer Diaphragm, Etfe Fluoroplastic, Pet Engineering Plastics

TOP8
Dongguan Zhangmutou Yutao Plastic Raw Material Business Department
Overall Score4.5 / 5
Est. Date2010-07-13
Registered Capital-

Dongguan Zhangmutou Yutao Plastic Raw Material Business Department, registered address at Shop C, No. 5 Xincheng Street, Baiguodong Village, Zhangmutou Town, Dongguan City, registered with the Dongguan Market Supervision Administration, with Yang Haiguo as the legal representative. Its business scope includes the sale of plastic raw materials (excluding hazardous chemicals).. Core products: Polymer Diaphragm, Pom,

TOP9
Dongguan Zhangmutou Lanqiao Plastic Raw Material Business Department
Overall Score4.3 / 5
Est. Date2021-03-14
Registered Capital-

Dongguan Zhangmutou Lanqiao Plastic Raw Material Business Department, registered address at Room 202, Building 2, No. 27 Xianwei Road, Zhangmutou Town, Dongguan City, Guangdong Province, registered with the Dongguan Market Supervision Administration, with Guo Rongjun as the legal representative. Its business scope includes the sale of plastic raw materials (excluding hazardous chemicals), plastic products, plastic molds, plastic machinery, hardware products, furniture, and plastic additives (excluding hazardous chemicals).. Core products: Polymer Diaphragm, Dupont Etfe From The United States, Chevron Phillips Pps, Usa

TOP10
Dongguan Zhengtao Plastic Co., Ltd
Overall Score4.3 / 5
Est. Date2017-12-14
Registered Capital1000K CNY

Dongguan Zhengtao Plastic Co., Ltd. is located on the 1st floor of Building 18, Dongshu 3rd Road, Taicheng Plastic Market, Renziyuan Village, Xiegang Town, Dongguan City. It was established on December 14, 2017, with the registration authority of Dongguan Market Supervision Administration and the legal representative being Mo Xinyong. Core products: Polymer Diaphragm, Pom, Pa6

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Kunshan Dongen Tuo Environmental Protection Equipment Co., Ltd2021-07-05Polymer Diaphragm, Filter Plate, Valve Body And Valve Core550K CNYNot Supported
Shanghai Youcheng International Trade Co., Ltd2019-03-11Polymer Diaphragm, Polyvinylidene Fluoride, Wire Sheath2000K CNYNot Supported
Shanghai Yinobeili Trading Co., Ltd2019-10-17Polymer Diaphragm, Polydodecylamine, Electronic And Electrical Components1000K CNYNot Supported
Shanghai Xinzao Industrial Co., Ltd2018-06-12Polymer Diaphragm, Abs, Eva1000K CNYSupported
Dongguan Wanhe Plastic Raw Materials Co., Ltd2023-02-27Polymer Diaphragm, Japanese Wu Yu, Japanese Electrical Chemistry1000K CNYNot Supported
Dongguan Kaiwan Engineering Plastic Raw Materials Co., Ltd2020-12-23Polymer Diaphragm, , 1000K CNYNot Supported
Dongguan Price Plastic Raw Materials Co., Ltd2020-12-10Polymer Diaphragm, Etfe Fluoroplastic, Pet Engineering Plastics500K CNYSupported
Dongguan Zhangmutou Yutao Plastic Raw Material Business Department2010-07-13Polymer Diaphragm, Pom, -Not Supported
Dongguan Zhangmutou Lanqiao Plastic Raw Material Business Department2021-03-14Polymer Diaphragm, Dupont Etfe From The United States, Chevron Phillips Pps, Usa-Not Supported
Dongguan Zhengtao Plastic Co., Ltd2017-12-14Polymer Diaphragm, Pom, Pa61000K CNYNot Supported

Knowledge Base

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This article introduces the concept of polymer separator materials and their applications in the field of batteries, explores the characteristics and advantages of polymer separator materials, and discusses future development directions.

Ranking Evaluation Method

This ranking is generated based on public data from Baidu B2B platform and common industry assessment dimensions, focusing on enterprise activity, business qualifications, product matching and industry performance to provide valuable manufacturer ranking information for buyers.

DimensionDescription
Data SourceMulti-dimensional data including platform public data, enterprise certification, user reviews, and transaction records
AssessmentComprehensive indicators including enterprise activity, qualifications, product quality, service capability, and user reputation
Update FrequencyRanking data is updated daily to ensure timeliness and accuracy
SuggestionRankings are for reference only. We recommend comprehensive evaluation based on actual needs