Updated Oct 13, 2026 · Public platform & industry data

Oct 13, 2026 Updated

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2026 Top 10 Pei Manufacturers in China Shanghai

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

The top 10 Pei manufacturers in Shanghai for 2026 are: Shanghai Yikai Plastic Products Co., Ltd, Shanghai Youen Chemical Co., Ltd, Shanghai Xiangsu New Materials Co., Ltd, Shanghai Bangxi Trading Co., Ltd, Shanghai Ouqinghong Chemical Co., Ltd, Shanghai Xiangsu New Materials Co., Ltd, Dongguan Yisike Plastic Co., Ltd, Shanghai Yinobeili Trading Co., Ltd, Dongguan Xinli Plastic Materials Co., Ltd, Shanghai Wangwo Plasticization 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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ShanghaiShanghai
Top 1
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Shanghai Yikai Plastic Products Co., Ltd

Building 7, No. 748 Erqiao Village, Fengcheng Town, Fengxian District, Shanghai

Overall Score4.9 / 5
Est. Date2011-09-21
Registered Capital500K CNY

Shanghai Yikai Plastic Products Co., Ltd., located at Building 7, No. 748 Erqiao Village, Fengcheng Town, Fengxian District, Shanghai, was established on September 21, 2011. The registration authority is the Fengxian District Market Supervision Bureau, and the legal representative is Chen Sijin. Core products: Pei, Bar Stock, Engineering Plastic

Top 2
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Shanghai Youen Chemical Co., Ltd
Overall Score4.8 / 5
Est. Date2005-06-23
Registered Capital1000K CNY

Shanghai Youen Chemical Co., Ltd. is registered at Room 10, Building 3, No. 32 Hangxing South Road, Hangtou Town, Pudong New Area. The registration authority is the Pudong New Area Market Supervision Administration, and the legal representative is Peng Shuli. Its business scope includes technical development, technical consulting, technology transfer, and technical services in the field of fine chemical products, sales of chemical raw materials and products (excluding hazardous chemicals, monitored chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), advertising materials, packaging materials, clothing and apparel, office supplies, and daily necessities. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Pei, Hand Feel Agent, Screw Cleaning Material

Top 3
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Shanghai Xiangsu New Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2017-07-20
Registered Capital2000K CNY

Shanghai Xiangsu New Materials Co., Ltd. is registered at Room 129, 10th Floor, Building 4, No. 1247 Meichuan Road, Putuo District, Shanghai. The registered authority is the Putuo District Market Supervision Administration, and the legal representative is Liu Aijuan. Its business scope includes the sale of plastic products, metal materials, hardware, electromechanical equipment, chemical products (excluding hazardous chemicals, monitored chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), environmental protection equipment, ordinary mechanical equipment and spare parts, office supplies, and labor protection supplies. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Pei, Epoxy Board, Pps

TOP4
Shanghai Bangxi Trading Co., Ltd
Overall Score4.7 / 5
Est. Date2013-09-18
Registered Capital1000K CNY

Shanghai Bangxi Trading Co., Ltd., with its registered address at Room 908, No. 28 Moyu Road, Anting Town, Jiading District, Shanghai, is registered with the Jiading District Market Supervision Bureau. The legal representative is Dai Shulong, and its business scope includes the sales of chemical raw materials and products (excluding hazardous chemicals, monitored chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), rubber and plastic products, mechanical equipment, metal products, hardware tools, electronic products, and ceramic products. It engages in the import and export of goods and technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Pei, Sebs Plastic Raw Materials, Pmma Plastic Raw Material

TOP5
Shanghai Ouqinghong Chemical Co., Ltd
Overall Score4.7 / 5
Est. Date2023-11-08
Registered Capital10000K CNY

Shanghai Ouqinghong Chemical Co., Ltd., registered at 5th Floor, Building 11, No. 6055 Jinhai Road, Fengxian District, Shanghai, with the registration authority of Fengxian District Market Supervision Administration and the legal representative being Mo Dandan. Its business scope includes general projects: sales of chemical products (excluding licensed chemical products); Sales of specialized chemical products (excluding hazardous chemicals); Research and development of new material technology; Sales of plastic products; Sales of synthetic materials; Sales of biobased materials; Sales of engineering plastics and synthetic resins; Sales of 3D printing basic materials; Sales of metal materials; Sales of metal products; Sales of building decoration materials; Retail of hardware products; Wholesale of hardware products; Sales of high-quality synthetic rubber; Paint sales (excluding hazardous chemicals). (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: Pei, Hdpe, Lg Chem

TOP6
Shanghai Xiangsu New Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2017-07-20
Registered Capital2000K CNY

Shanghai Xiangsu New Materials Co., Ltd. is registered at Room 129, 10th Floor, Building 4, No. 1247 Meichuan Road, Putuo District, Shanghai. The registered authority is the Putuo District Market Supervision Administration, and the legal representative is Liu Aijuan. Its business scope includes the sale of plastic products, metal materials, hardware, electromechanical equipment, chemical products (excluding hazardous chemicals, monitored chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), environmental protection equipment, ordinary mechanical equipment and spare parts, office supplies, and labor protection supplies. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Pei, Epoxy Board, Pc

TOP7
Dongguan Yisike Plastic Co., Ltd
Overall Score4.6 / 5
Est. Date2016-06-12
Registered Capital1000K CNY

Dongguan Yisike Plastic Co., Ltd., with its registered address at No. 56, Shuxing Street, Changping Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Yin Yong, and its business scope includes general projects such as plastic product manufacturing; Sales of plastic products; Rubber product manufacturing; Sales of rubber products; Manufacturing of synthetic materials (excluding hazardous chemicals); Sales of synthetic materials; Manufacturing of engineering plastics and synthetic resins; Sales of engineering plastics and synthetic resins; Sales of chemical products (excluding licensed chemical products); Sales of high-quality synthetic rubber; Manufacturing of specialized chemical products (excluding hazardous chemicals); Manufacturing of biobased materials; Sponge product manufacturing; Sponge product sales; Manufacturing of new membrane materials; Sales of new membrane materials; Sales of new catalytic materials and additives; Research and development of new material technology; Manufacturing of hardware products; Wholesale of hardware products; Electronic product sales. (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: Pei, Pei Polyetherimide, Conductive Anti-Static Pp

TOP8
Shanghai Yinobeili Trading Co., Ltd
Overall Score4.6 / 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: Pei, Pmma, Pom

TOP9
Dongguan Xinli Plastic Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2016-05-26
Registered Capital1000K CNY

Dongguan Xinli Plastic Materials Co., Ltd., with its registered address at Room 101, No. 10, Changhejiu Lane, Chang'an Town, Dongguan City, Guangdong Province, is registered with the Dongguan Municipal Administration for Market Regulation. The legal representative is Lin Xiaoqiang, and its business scope includes the production, processing, and sales of plastic materials, insulation materials, hardware products, copper and aluminum materials, plastic products, electronic products, and hardware accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Pei, Pom Board/Rod, Pctfe Rod

TOP10
Shanghai Wangwo Plasticization Co., Ltd
Overall Score4.4 / 5
Est. Date2018-06-27
Registered Capital1000K CNY

Shanghai Wangwo Plasticization Co., Ltd. is registered at Room 245, Q Zone, 2nd Floor, Shunpu Building, No. 99 Gongyuan Road, Qingpu District, Shanghai. The registration authority is the Qingpu District Market Supervision Administration, and the legal representative is Peng Fang. The business scope includes technology development, technical consulting, technical services, technology transfer in the field of plasticization technology, sales of plastic products, chemical products and raw materials (excluding hazardous chemicals, monitored chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), molds, mechanical equipment and accessories, hardware and electrical equipment. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Pei, Pbt, Pet

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Yikai Plastic Products Co., Ltd2011-09-21Pei, Bar Stock, Engineering Plastic500K CNYNot Supported
Shanghai Youen Chemical Co., Ltd2005-06-23Pei, Hand Feel Agent, Screw Cleaning Material1000K CNYNot Supported
Shanghai Xiangsu New Materials Co., Ltd2017-07-20Pei, Epoxy Board, Pps2000K CNYSupported
Shanghai Bangxi Trading Co., Ltd2013-09-18Pei, Sebs Plastic Raw Materials, Pmma Plastic Raw Material1000K CNYNot Supported
Shanghai Ouqinghong Chemical Co., Ltd2023-11-08Pei, Hdpe, Lg Chem10000K CNYNot Supported
Shanghai Xiangsu New Materials Co., Ltd2017-07-20Pei, Epoxy Board, Pc2000K CNYSupported
Dongguan Yisike Plastic Co., Ltd2016-06-12Pei, Pei Polyetherimide, Conductive Anti-Static Pp1000K CNYNot Supported
Shanghai Yinobeili Trading Co., Ltd2019-10-17Pei, Pmma, Pom1000K CNYNot Supported
Dongguan Xinli Plastic Materials Co., Ltd2016-05-26Pei, Pom Board/Rod, Pctfe Rod1000K CNYSupported
Shanghai Wangwo Plasticization Co., Ltd2018-06-27Pei, Pbt, Pet1000K CNYNot Supported

Purchasing Guide

Based on real user feedback, we provide the following suggestions:

  • For procurement requirements that require the use of PEI, it is recommended to prioritize confirming key parameters such as purity level, particle size distribution, and thermal stability, which directly affect the applicability of materials in the fields of electronic packaging or medical devices.
  • In industrial coating applications, the high temperature resistance and dielectric strength of PEI are the core considerations. Materials of different thicknesses need to match the insulation requirements of specific equipment, and suppliers can be requested to provide measured data reports during procurement.
  • When selecting a supplier for PEI, it is recommended to comprehensively evaluate product compatibility, business qualifications, enterprise activity, industry performance, and platform statistics, and prioritize manufacturers with stable supply records in the field of polymer materials.
  • For high-frequency procurement scenarios in the aerospace industry, it is necessary to pay attention to whether the PEI supplier has the mass production capability of radiation resistant modified products, and to verify their material batch consistency performance by referring to industry data.

Knowledge Base

Q

This article analyzes the differences in thermoplastic and thermosetting properties of PEI (polyetherimide) materials, comparing processing methods, application scenarios, and performance characteristics to help readers choose the appropriate type according to their needs.

Q

Pei is a type of thermoplastic called polyetherimide in Chinese. It is an amber colored transparent plastic with high heat resistance, high strength, and excellent fatigue resistance. Pei is mainly used to manufacture high-performance engineering parts, such as parts in the automotive, electronics, and aerospace fields, which can maintain excellent performance at high temperatures.

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