Updated Sep 14, 2026 · Public platform & industry data

Sep 14, 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 Youen Chemical Co., Ltd, Dongguan Julong Plastic Raw Materials Co., Ltd, Guangzhou Fuyao New Materials Co., Ltd, Dongguan Hongyu Plastic Co., Ltd, Dongguan Yisike Plastic Co., Ltd, Dongguan Weicai Plastic Raw Materials Co., Ltd, Guangzhou Weihua Biotechnology Co., Ltd, Shaanxi Xingbei Aike Biotechnology Co., Ltd, Dongguan Tianzhihong Plasticization Co., Ltd, Dongguan Yisike 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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Shanghai Youen Chemical Co., Ltd
Overall Score4.9 / 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 2
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Dongguan Julong Plastic Raw Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2021-03-26
Registered Capital2000K CNY

Dongguan Julong Plastic Raw Materials Co., Ltd., with its registered address at Room 504, Building 5, No. 97 Xianwei Road, Zhangmutou Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Lei Hongbo, and its business scope includes general projects such as sales of plastic products; Sales of rubber products; Sales of engineering plastics and synthetic resins; Sales of high-performance fibers and composite materials; Sales of synthetic materials; Sales of glass fiber reinforced plastic products. (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, , Ppo

Top 3
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Guangzhou Fuyao New Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2024-12-09
Registered Capital1000K CNY

Guangzhou Fuyao New Materials Co., Ltd., with its registered address at Room 128-5, No. 2 Xihaiyun Road, Huanshi Avenue, Nansha District, Guangzhou, is registered with the Nansha District Market Supervision Administration of Guangzhou. The legal representative is Huang Guibin, and its business scope includes retail of hardware products; Sales of wooden containers; Leather sales; Sales of building decoration materials; Sales of rubber products; Sales of chemical products (excluding licensed chemical products); Internet sales (except for the sale of goods that need to be licensed); Trade brokers; Sales of plastic products; Import and export of goods; Technology import and export; Sales of mechanical equipment; Wholesale of hardware products; Domestic trade agency. Core products: Pei, Enxin Ge, Suwei, Usa

TOP4
Dongguan Hongyu Plastic Co., Ltd
Overall Score4.7 / 5
Est. Date2017-03-27
Registered Capital1600K CNY

Dongguan Hongyu Plastic Co., Ltd. is registered at Room 188, No.1 Plastic Road, Zhangmutou Town, Dongguan City, Guangdong Province. The registration authority is Dongguan Market Supervision Administration, and the legal representative is Lv Aiming. Its business scope includes the sale of plastic raw materials, plastic additives, plastic pigments, plastic products, silicone raw materials, hardware and electrical equipment, electronic products and accessories, and other chemical products (excluding hazardous chemicals). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Pei, Etfe, Acrylic Powder

TOP5
Dongguan Yisike Plastic Co., Ltd
Overall Score4.7 / 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

TOP6
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

TOP7
Guangzhou Weihua Biotechnology Co., Ltd
Overall Score4.6 / 5
Est. Date2022-01-18
Registered Capital5000K CNY

Guangzhou Weihua Biotechnology Co., Ltd., with its registered address at Room 1253, 1-4/F, No. 20 Zhangmushan, Cencun, Tianhe District, Guangzhou (office only), registered with the Market Supervision Administration of Tianhe District, Guangzhou, and represented by Qin Jiangkun as the legal representative. Its business scope includes technology intermediary services; Promotion services for new material technology; Research and development of new material technology; Sales of chemical products (excluding licensed chemical products); Sales of office equipment and consumables; Biomass energy technology services; Sales of daily chemical products; Sales of specialized chemical products (excluding hazardous chemicals); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Research and development of biochemical product technology;; Import and export of goods;. Core products: Pei, Dmg1, 2-Dinutmeg Glyceride, Β - Glucan Derivatives

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
Dongguan Tianzhihong Plasticization Co., Ltd
Overall Score4.5 / 5
Est. Date2017-12-12
Registered Capital1880K CNY

Dongguan Tianzhihong Plasticization Co., Ltd., with its registered address at 611 Shuzhao Street, Changping Town, Dongguan City, Guangdong Province, is registered with the Dongguan Municipal Administration for Market Regulation. Its legal representative is Niu Xinmei, and its business scope includes sales and research and development of high-performance film materials, plastic raw materials, chemical raw materials (excluding hazardous chemicals), plastic products, plastic additives, and plastic machinery; Import and export of goods. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Pei, Basic Innovative Plastics, Standard Material

TOP10
Dongguan Yisike Plastic Co., Ltd
Overall Score4.4 / 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, Pa66 Plastic, Peek Plastic

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Youen Chemical Co., Ltd2005-06-23Pei, Hand Feel Agent, Screw Cleaning Material1000K CNYNot Supported
Dongguan Julong Plastic Raw Materials Co., Ltd2021-03-26Pei, , Ppo2000K CNYNot Supported
Guangzhou Fuyao New Materials Co., Ltd2024-12-09Pei, Enxin Ge, Suwei, Usa1000K CNYNot Supported
Dongguan Hongyu Plastic Co., Ltd2017-03-27Pei, Etfe, Acrylic Powder1600K CNYNot Supported
Dongguan Yisike Plastic Co., Ltd2016-06-12Pei, Pei Polyetherimide, Conductive Anti-Static Pp1000K CNYNot Supported
Dongguan Weicai Plastic Raw Materials Co., Ltd2021-03-10Pei, Swiss Ems, Tpee Korea Sk1000K CNYSupported
Guangzhou Weihua Biotechnology Co., Ltd2022-01-18Pei, Dmg1, 2-Dinutmeg Glyceride, Β - Glucan Derivatives5000K CNYNot Supported
Shaanxi Xingbei Aike Biotechnology Co., Ltd2022-08-30Pei, Sugar Chemistry, Click On Chemical Dbco1000K CNYNot Supported
Dongguan Tianzhihong Plasticization Co., Ltd2017-12-12Pei, Basic Innovative Plastics, Standard Material1880K CNYNot Supported
Dongguan Yisike Plastic Co., Ltd2016-06-12Pei, Pa66 Plastic, Peek Plastic1000K 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 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