Updated Aug 13, 2026 · Public platform & industry data

Aug 13, 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: Dongguan Zhengtao Plastic Co., Ltd, Dongguan Juheng Plastic Raw Materials Co., Ltd, Dongguan Yuhong Plastic Co., Ltd, Dongguan Haoquan Plastic Raw Materials Co., Ltd, Dongguan Liheng Plastic Raw Materials Co., Ltd, Shanghai Hongfuyuan Plasticization Co., Ltd, Shanghai Shengyi Yuan Plasticization Co., Ltd, Suzhou Haicai Plasticization Co., Ltd, Huizhou Yishengyuan Trading Co., Ltd, Suzhou Tiantao 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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Top 1
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Dongguan Zhengtao Plastic Co., Ltd
Overall Score4.9 / 5
Est. Date2017-12-14
Registered Capital1000K CNY

Dongguan Zhengtao Plastic Co., Ltd. is registered at 1st Floor, Building 18, Dongshu 3rd Road, Taicheng Plastic Market, Renziyuan Village, Xiegang Town, Dongguan City. The registration authority is Dongguan Market Supervision Administration, and the legal representative is Mo Xinyong. The business scope includes the sale of plastic raw materials, plastic products, plastic additives, plastic colorants, electronic products, and other chemical products (excluding hazardous chemicals).. Core products: Pei, Tpu, Pp

Top 2
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Dongguan Juheng Plastic Raw Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2016-04-20
Registered Capital1000K CNY

Dongguan Juheng Plastic Raw Materials Co., Ltd., with its registered address at Room 101, Building 73, No.1 Plastic Road, Zhangmutou Town, Dongguan City, Guangdong Province, is registered with the Dongguan Municipal Administration for Market Regulation. The legal representative is Zeng Dexin, and its business scope includes general projects such as sales of synthetic materials; Sales of engineering plastics and synthetic resins; Sales of plastic products; Sales of rubber products; Sales of new catalytic materials and additives; Sales of high-quality synthetic rubber; Sales of chemical products (excluding licensed chemical products); Sales of petroleum products (excluding hazardous chemicals); Sales of lubricating oil; Wholesale of finished oil products (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, Coaxial Wire, Coc

Top 3
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Dongguan Yuhong Plastic Co., Ltd
Overall Score4.8 / 5
Est. Date2019-04-16
Registered Capital800K CNY

Dongguan Yuhong Plastic Co., Ltd. is registered at Room 305, Building 34, No.1 Plastic Road, Zhangmutou Town, Dongguan City, Guangdong Province. The registration authority is Dongguan Market Supervision Administration, and the legal representative is Ren Mufeng. Its business scope includes the sale of plastic raw materials and engineering plastics. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Pei, Pa66, High Temperature Resistant Nylon Food Grade Pa12

TOP4
Dongguan Haoquan Plastic Raw Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2020-09-23
Registered Capital1000K CNY

Dongguan Haoquan Plastic Raw Materials Co., Ltd., with its registered address at Room 145, Unit 2, No. 30 Zhangmutou Section, Guanzhang Road, Zhangmutou Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision and Administration Bureau. The legal representative is Hu Gaiqin, and its business scope includes the sale of plastic raw materials (excluding hazardous chemicals), plastic auxiliary materials, plastic products, plastic molds and accessories, nanomaterials, rubber raw materials, rubber products, silicone products, hardware products and accessories, electronic products, adhesives and 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, Pc Sea, Polycarbonate

TOP5
Dongguan Liheng Plastic Raw Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2016-11-01
Registered Capital1000K CNY

Dongguan Liheng Plastic Raw Materials Co., Ltd. is registered at No. 12-15, Zone A, 7th Floor, Huihuang Business Building, No. 81 Dongcheng Middle Road South, Zhushan Community, Dongcheng Street, Dongguan City (cluster registration). The registration authority is Dongguan Market Supervision Administration, and the legal representative is Huang Zhiqiang. The business scope includes the sale of plastic raw materials, plastic products, and hardware products.. Core products: Pei, Pc/Abs, Pctg

TOP6
Shanghai Hongfuyuan Plasticization Co., Ltd
Overall Score4.6 / 5
Est. Date2021-12-29
Registered Capital1000K CNY

Shanghai Hongfuyuan Plasticization Co., Ltd., with its registered address at 12th Floor, Building 2, No. 1919 Baziqiao Road, Nanqiao Town, Fengxian District, Shanghai, is registered with the Market Supervision Administration of Fengxian District and represented by Zhang Lei as its legal representative. Its business scope includes licensed projects such as import and export of goods; Technology import and export (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or licenses from relevant departments) General project: sales of plastic products; Sales of rubber products; Sales of chemical products (excluding licensed chemical products); Sales of leather products; Sales of daily necessities; Sales of engineering plastics and synthetic resins; Internet sales (except for the sale of goods that need to be licensed); Wholesale of hardware products; Retail of hardware products (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: Pei, Hdpe, Film

TOP7
Shanghai Shengyi Yuan Plasticization Co., Ltd
Overall Score4.6 / 5
Est. Date2022-06-15
Registered Capital5000K CNY

Shanghai Shengyi Yuan Plasticization Co., Ltd., with its registered address at 2nd Floor, No. 10, Lane 255, Xiaotang Road, Fengxian District, Shanghai, registered with the Market Supervision Administration of Fengxian District, and represented by Zhang Yuwang as the legal representative. Its business scope includes general projects such as sales of plastic products; Sales of rubber products; Sales of new organic active materials; Sales of engineering plastics and synthetic resins; Sales of high-quality synthetic rubber; Sales of chemical products (excluding licensed chemical products); Sales of synthetic materials. (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, Basic Innovative Plastics (Korea), Korea Hanhua Total

TOP8
Suzhou Haicai Plasticization Co., Ltd
Overall Score4.6 / 5
Est. Date2017-06-27
Registered Capital1000K CNY

Suzhou Haicai Plasticization Co., Ltd. is registered at Room 06, Building 6-4, No. 2 Xingang Middle Road, Fuqiao Town, Taicang City. The registration authority is Taicang Administrative Approval Bureau, and the legal representative is Deng Jiuyuan. Its business scope includes the distribution of engineering plastic products, plastic products and raw materials, chemical products and raw materials. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Pei, Pc+Abs, Hdpe

TOP9
Huizhou Yishengyuan Trading Co., Ltd
Overall Score4.5 / 5
Est. Date2024-03-27
Registered Capital100K CNY

Huizhou Yishengyuan Trading Co., Ltd., registered at Room 03, 6th Floor, Building 12, Hailunyuan Zhuhua Yuan, No. 105 Dieqi Road, Lilin Town, Zhongkai High tech Zone, Huizhou (for office only), registered with the Market Supervision and Administration Bureau of Zhongkai High tech Industrial Development Zone, Huizhou, with Kang Zhiling as the legal representative. Its business scope includes general projects: sales of engineering plastics and synthetic resins; Sales of plastic products; Sales of synthetic materials; Sales of metal products; Retail of hardware products; Wholesale of computer software, hardware, and auxiliary equipment; Sales of power electronic components; Sales of electronic specialized materials; Sales of biobased materials; Sales of biomass pellet fuels; Sales of equipment for biomass liquid fuel production; Sales of 3D printing basic materials; Domestic trade agency; Import and export of goods. (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, Abs, Tpee

TOP10
Suzhou Tiantao Plasticization Co., Ltd
Overall Score4.4 / 5
Est. Date2017-05-19
Registered Capital3500K CNY

Suzhou Tiantao Plasticization Co., Ltd., registered at No. 7, Zone F, Shitailong Mold City, No. 3 Lufeng East Road, Lujia Town, Kunshan City, registered with the Kunshan Administrative Approval Bureau, with Zhang Tao as the legal representative. Its business scope includes the sales of plastic raw materials and products, rubber raw materials and products, chemical raw materials and products (excluding hazardous chemicals), hardware and electrical equipment, molds, mechanical equipment and accessories; Import and export business of goods and technology. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Pei, Pet, Pc

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Dongguan Zhengtao Plastic Co., Ltd2017-12-14Pei, Tpu, Pp1000K CNYNot Supported
Dongguan Juheng Plastic Raw Materials Co., Ltd2016-04-20Pei, Coaxial Wire, Coc1000K CNYNot Supported
Dongguan Yuhong Plastic Co., Ltd2019-04-16Pei, Pa66, High Temperature Resistant Nylon Food Grade Pa12800K CNYNot Supported
Dongguan Haoquan Plastic Raw Materials Co., Ltd2020-09-23Pei, Pc Sea, Polycarbonate1000K CNYNot Supported
Dongguan Liheng Plastic Raw Materials Co., Ltd2016-11-01Pei, Pc/Abs, Pctg1000K CNYNot Supported
Shanghai Hongfuyuan Plasticization Co., Ltd2021-12-29Pei, Hdpe, Film1000K CNYNot Supported
Shanghai Shengyi Yuan Plasticization Co., Ltd2022-06-15Pei, Basic Innovative Plastics (Korea), Korea Hanhua Total5000K CNYNot Supported
Suzhou Haicai Plasticization Co., Ltd2017-06-27Pei, Pc+Abs, Hdpe1000K CNYNot Supported
Huizhou Yishengyuan Trading Co., Ltd2024-03-27Pei, Abs, Tpee100K CNYNot Supported
Suzhou Tiantao Plasticization Co., Ltd2017-05-19Pei, Pet, Pc3500K 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 first clarify key technical parameters such as thermal deformation temperature and dielectric strength of the material, which directly affect its applicability in electronic insulation or aerospace fields.
  • When applying PEI in scenarios such as medical devices or automotive components, it is necessary to evaluate the supplier's product compatibility and industry performance to ensure that the material meets the mechanical strength and chemical resistance requirements under specific working conditions.
  • When selecting suppliers, priority should be given to business qualifications and enterprise activity, especially focusing on manufacturers with industry data support, which can usually provide more stable material batches and process consistency.
  • The performance of PEI varies greatly in high-temperature environments. When purchasing, it is recommended to combine the supplier's industry platform statistical information to compare the long-term thermal stability data of different grades in order to optimize the selection.

Knowledge Base

Q

PEI, Polyetherimide, also known as polyetherimide, is a high-performance amorphous thermoplastic engineering plastic widely used in fields such as electronics, aerospace, medical equipment, and automotive industry due to its excellent mechanical properties, high temperature resistance, flame retardancy, and good electrical insulation properties. In practical applications, how to scientifically and reasonably select PEI materials requires comprehensive consideration of multiple key factors. first

Q

Cy7 PEI is a PEI nanomaterial modified covalently with Cy7 fluorescent dye, which combines efficient gene carrier and near-infrared II (NIR-II) fluorescence tracking capability. It is suitable for deep tissue imaging, gene delivery, tumor tracking and other fields to improve imaging resolution, enhance gene delivery efficiency, and optimize targeted delivery performance.

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