Updated Oct 18, 2026 · Public platform & industry data

Oct 18, 2026 Updated

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2026 Top 10 Pei Manufacturers in China

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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 China for 2026 are: Shanghai Yikai Plastic Products Co., Ltd, Shanghai Youen Chemical Co., Ltd, Hubei Xingyan New Material Technology Co., Ltd, Shanghai Ouqinghong Chemical Co., Ltd, Shanghai Bangxi Trading Co., Ltd, Dongguan Kaiyuan Plastic Raw Materials Co., Ltd, Dongguan Weicai Plastic Raw Materials Co., Ltd, Shaanxi Xingbei Aike Biotechnology Co., Ltd, Guangzhou Yaliyan Plastic Co., Ltd, Dongguan Xinrui New Materials 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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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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Hubei Xingyan New Material Technology Co., Ltd
Overall Score4.8 / 5
Est. Date2021-11-22
Registered Capital10000K CNY

Hubei Xingyan New Material Technology Co., Ltd., with its registered address at 720, West Zone, 1st Floor, Building 8, Fortune 2nd Road, Dong'er Industrial Park, Donghu New Technology Development Zone, Wuhan City, Hubei Province, is registered with the Market Supervision and Administration Bureau of Wuhan Donghu New Technology Development Zone. The legal representative is Wang Ping, and the business scope includes general projects such as chemical product production (excluding licensed chemical products); Manufacturing of basic chemical raw materials (excluding the manufacturing of licensed chemicals such as hazardous chemicals); Manufacturing of specialized chemical products (excluding hazardous chemicals); Manufacturing of non-metallic mineral products; Promotion services for new material technology; Research and development of new material technology; Sales of new catalytic materials and additives; Sales of specialized chemical products (excluding hazardous chemicals); Sales of chemical products (excluding licensed chemical products); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (Except for licensed businesses, it is allowed to independently operate projects that are not prohibited or restricted by laws and regulations) Licensed projects: production of feed additives; Production of food additives. (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: Pei, Sodium Methylene Bisulfinate, Methyl-3-Cyanopyridine

TOP4
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

TOP5
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

TOP6
Dongguan Kaiyuan Plastic Raw Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2021-03-29
Registered Capital1000K CNY

Dongguan Kaiyuan Plastic Raw Materials Co., Ltd., with its registered address at Room 401, No. 18, Lane 17, Baiguodong South District, Zhangmutou Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Yan Jun. 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: Pei, Pc/Abs Alloy Material, Pa66 Nylon Material

TOP7
Dongguan Weicai Plastic Raw Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2021-03-10
Registered Capital1000K CNY

Dongguan Weicai Plastic Raw Materials Co., Ltd., with its registered address at No. 32-1 Haoyi Lane, Zhangluo Flagpole, Zhangmutou Town, Dongguan City, Guangdong Province, is registered with the Dongguan Municipal Administration for Market Regulation. The legal representative is Li Cai, and its business scope includes the sale of plastic raw materials, plastic products, plastic accessories, plastic pigments, polymer materials, plastic additives (excluding hazardous chemicals), hardware products, and electronic products; 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: Pei, Swiss Ems, Tpee Korea Sk

TOP8
Shaanxi Xingbei Aike Biotechnology Co., Ltd
Overall Score4.6 / 5
Est. Date2022-08-30
Registered Capital1000K CNY

Shaanxi Xingbei Aike Biotechnology Co., Ltd., with its registered address at Room 1806, Block B, Bailong Plaza, No. 129 Xiaozhai East Road, Yanta District, Xi'an City, Shaanxi Province, is registered with the Market Supervision and Administration Bureau of Yanta District, Xi'an City. The legal representative is Qi Naili, and the business scope includes general projects such as research and development of bio based material technology; Research and development of bio based material polymerization technology; Biomass energy technology services; Research and development of biochemical product technology; Sales of biobased materials; Medical research and experimental development; Sales of chemical products (excluding licensed chemical products); Sales of instruments and meters; Sales of packaging materials and products; Sales of office equipment and consumables. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Inspection and testing services. (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 results.). Core products: Pei, Sugar Chemistry, Click On Chemical Dbco

TOP9
Guangzhou Yaliyan Plastic Co., Ltd
Overall Score4.5 / 5
Est. Date2013-08-07
Registered Capital1000K CNY

Guangzhou Yaliyan Plastic Co., Ltd., registered at A11, No. 77 Helong Road, Jiahe Street, Baiyun District, Guangzhou, registered with the Market Supervision and Administration Bureau of Baiyun District, Guangzhou, with Huang Jinlu as the legal representative. Its business scope includes wholesale of plastic products; Retail of switches, sockets, terminal blocks, wires and cables, insulation materials; Wholesale of hardware products; Wholesale trade of goods (excluding licensed and approved goods); Retail trade of goods (excluding licensed and approved goods); Wholesale of chemical products (excluding hazardous chemicals); Retail of chemical products (excluding hazardous chemicals); Hardware retail;. Core products: Pei, Pvdf, Insulating Material

TOP10
Dongguan Xinrui New Materials Co., Ltd
Overall Score4.4 / 5
Est. Date2021-01-07
Registered Capital1000K CNY

Dongguan Xinrui New Materials Co., Ltd., with its registered address at Room 113, Building 7, No. 75 Xianwei Road, Zhangmutou Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Ye Guofangsheng, and its business scope includes research and development, sales of biomass materials, nanomaterials, plastic raw materials, plastic additives, plastic pigments, rubber raw materials, rubber products, and plastic products (all of which do not contain hazardous chemicals); 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: Pei, Thermoplastic Elastomer, General Materials

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
Hubei Xingyan New Material Technology Co., Ltd2021-11-22Pei, Sodium Methylene Bisulfinate, Methyl-3-Cyanopyridine10000K CNYNot Supported
Shanghai Ouqinghong Chemical Co., Ltd2023-11-08Pei, Hdpe, Lg Chem10000K CNYNot Supported
Shanghai Bangxi Trading Co., Ltd2013-09-18Pei, Sebs Plastic Raw Materials, Pmma Plastic Raw Material1000K CNYNot Supported
Dongguan Kaiyuan Plastic Raw Materials Co., Ltd2021-03-29Pei, Pc/Abs Alloy Material, Pa66 Nylon Material1000K CNYNot Supported
Dongguan Weicai Plastic Raw Materials Co., Ltd2021-03-10Pei, Swiss Ems, Tpee Korea Sk1000K CNYSupported
Shaanxi Xingbei Aike Biotechnology Co., Ltd2022-08-30Pei, Sugar Chemistry, Click On Chemical Dbco1000K CNYNot Supported
Guangzhou Yaliyan Plastic Co., Ltd2013-08-07Pei, Pvdf, Insulating Material1000K CNYSupported
Dongguan Xinrui New Materials Co., Ltd2021-01-07Pei, Thermoplastic Elastomer, General Materials1000K CNYSupported

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 plastic has various industrial applications, including static conductivity, heat resistance, acid resistance, flame retardancy, UV resistance, low flowability, low friction coefficient, good rigidity, high impact resistance, and enhanced properties. The raw material specifications for PTFE lubricating PEI include: PEI US RTP2105 TFE1530% fiberglass reinforcement, PTFE lubricating

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