Updated Sep 6, 2026 · Public platform & industry data

Sep 6, 2026 Updated

English
title decor left

2026 Top 10 Pei Manufacturers in China

title decor right

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 Hongrui Polymer Materials Technology Co., Ltd, Kunshan Sulilai Plastic Industry Co., Ltd, Shanghai Ouqinghong Chemical Co., Ltd, Dongguan Julong Plastic Raw Materials Co., Ltd, Dongguan Tianzhihong Plasticization Co., Ltd, Shanghai Huiping Chemical Co., Ltd, Shanghai Huiping New Energy Co., Ltd, Dongguan Liheng Plastic Raw Materials Co., Ltd, Xinwangda Plastic Technology (Dongguan) Co., Ltd, Dongguan Xinshengli Plastic New Material Technology Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

Collapse
Region FilterRegion
Top 1
background image
Dongguan Hongrui Polymer Materials Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2025-05-29
Registered Capital1000K CNY

Dongguan Hongrui Polymer Materials Technology Co., Ltd., with its registered address at Room 301, No. 2 Maiyuan Yongchang Street, Changping Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Hu Yan, and its business scope includes general projects such as research and development of new material technology; Sales of engineering plastics and synthetic resins; Sales of synthetic materials; Sales of new catalytic materials and additives; Sales of plastic products; Sales of rubber products; Sales of high-quality synthetic rubber; Pigment sales; Sales of chemical products (excluding licensed chemical products); Sales of specialized chemical products (excluding hazardous chemicals); Sales of non-metallic minerals and products; Sales of petroleum products (excluding hazardous chemicals); Sales of new membrane materials; Sales of synthetic fibers; Sales of glass fiber reinforced plastic products; 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, Korean Engineering, Basf, Germany

Top 2
background image
Kunshan Sulilai Plastic Industry Co., Ltd
Overall Score4.8 / 5
Est. Date2018-05-07
Registered Capital2500K CNY

Kunshan Sulilai Plastic Industry Co., Ltd., with its registered address at Room 1, 457 Shipu Luchang Road, Qiandeng Town, Kunshan City, is registered with Kunshan Data Bureau and represented by Jiang Dongchu as its legal representative. Its business scope includes the research and development, production, processing, and sales of plastic pellets, as well as the sales of chemical products and raw materials (excluding hazardous materials); 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, H101e, Electronic And Electrical Appliances

Top 3
background image
Shanghai Ouqinghong Chemical Co., Ltd
Overall Score4.8 / 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

TOP4
Dongguan Julong Plastic Raw Materials Co., Ltd
Overall Score4.7 / 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

TOP5
Dongguan Tianzhihong Plasticization Co., Ltd
Overall Score4.7 / 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, Polyphenylene Sulfide - Pps, Polyamide 12-Pa12

TOP6
Shanghai Huiping Chemical Co., Ltd
Overall Score4.6 / 5
Est. Date2006-10-25
Registered Capital41000K CNY

Shanghai Huiping Chemical Co., Ltd., with its registered address at Room 2020-10, Building 11, No. 518 Shenzhuan Road, Songjiang High tech Park, Caohejing Development Zone, Shanghai, is registered with the Songjiang District Market Supervision Administration. The legal representative is Gong Zhanping, and the business scope includes general projects: sales of chemical products (excluding licensed chemical products); Sales of specialized chemical products (excluding hazardous chemicals); Sales of daily chemical products; Sales of plastic products; Sales of rubber products; Sales of building decoration materials; Sales of lubricating oil; Battery sales; Sales of electronic measuring instruments; Sales of experimental analytical instruments; Sales of battery spare parts; Sales of mechanical parts and components; Sales of mechanical equipment; Sales of engineering plastics and synthetic resins; Sales of non-ferrous metal alloys; Sales of high-performance non-ferrous metals and alloy materials; Sales of biobased materials; Sales of synthetic materials; Sales of electronic specialized materials; Sales of non-metallic minerals and products; Sales of surface functional materials; Sales of coatings (excluding hazardous chemicals); Sales of 3D printing basic materials; Battery manufacturing; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Research and development of new material technology; Promotion services for new material technology; Sales of food additives; Food sales (only selling pre packaged food). (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: Pei, Arkema, Huiping Scm

TOP7
Shanghai Huiping New Energy Co., Ltd
Overall Score4.6 / 5
Est. Date2016-05-20
Registered Capital10000K CNY

Shanghai Huiping New Energy Co., Ltd., with its registered address at Room 8A, Building 11, No. 518 Shenzhuan Road, Songjiang High tech Park, Caohejing Development Zone, Shanghai, is registered with the Songjiang District Market Supervision and Administration Bureau. The legal representative is Chen Xiangning. The company's business scope includes technology development, technology transfer, technology consulting, and technical services in the fields of new energy and environmental protection technology, sales of chemical raw materials and products (excluding hazardous chemicals, monitoring chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), rubber products, building decoration materials (excluding hazardous materials), electronic equipment, electronic components, instruments and their accessories, new energy equipment, and 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, Arkema, Shell Shell

TOP8
Dongguan Liheng Plastic Raw Materials Co., Ltd
Overall Score4.6 / 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, Pmma, Pfa

TOP9
Xinwangda Plastic Technology (Dongguan) Co., Ltd
Overall Score4.5 / 5
Est. Date2016-12-05
Registered Capital3000K CNY

Xinwangda Plastic Technology (Dongguan) Co., Ltd., with its registered address at Room 108, Building 1, No. 2 Plastic Road, Zhangmutou Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Li Yifang, and its business scope includes research and development, sales of plastic raw materials, plastic rubber accessories, plastic products, nanomaterials, rubber raw materials, rubber products, silicone products, and hardware 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, Conveyor Belt Adhesive Tape, Polyphenylsulfone Plastic Granules

TOP10
Dongguan Xinshengli Plastic New Material Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2021-11-24
Registered Capital1000K CNY

Dongguan Xinshengli Plastic New Material Technology Co., Ltd., with its registered address at Room 302, No. 2, Lane 4, Baiguodong South District, Zhangmutou Town, Dongguan City, Guangdong Province, is registered with the Dongguan Municipal Administration for Market Regulation. The legal representative is Wu Fanglin, and its business scope includes general projects such as research and development of new material technology; Sales of synthetic materials; Sales of engineering plastics and synthetic resins; Sales of surface functional materials; Sales of new organic active materials; Sales of plastic products; Sales of rubber products; 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, Pa6, Polyether Epoxy Resin Pes

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Dongguan Hongrui Polymer Materials Technology Co., Ltd2025-05-29Pei, Korean Engineering, Basf, Germany1000K CNYNot Supported
Kunshan Sulilai Plastic Industry Co., Ltd2018-05-07Pei, H101e, Electronic And Electrical Appliances2500K CNYNot Supported
Shanghai Ouqinghong Chemical Co., Ltd2023-11-08Pei, Hdpe, Lg Chem10000K CNYNot Supported
Dongguan Julong Plastic Raw Materials Co., Ltd2021-03-26Pei, , Ppo2000K CNYNot Supported
Dongguan Tianzhihong Plasticization Co., Ltd2017-12-12Pei, Polyphenylene Sulfide - Pps, Polyamide 12-Pa121880K CNYNot Supported
Shanghai Huiping Chemical Co., Ltd2006-10-25Pei, Arkema, Huiping Scm41000K CNYNot Supported
Shanghai Huiping New Energy Co., Ltd2016-05-20Pei, Arkema, Shell Shell10000K CNYNot Supported
Dongguan Liheng Plastic Raw Materials Co., Ltd2016-11-01Pei, Pmma, Pfa1000K CNYNot Supported
Xinwangda Plastic Technology (Dongguan) Co., Ltd2016-12-05Pei, Conveyor Belt Adhesive Tape, Polyphenylsulfone Plastic Granules3000K CNYNot Supported
Dongguan Xinshengli Plastic New Material Technology Co., Ltd2021-11-24Pei, Pa6, Polyether Epoxy Resin Pes1000K 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 selection needs to consider various factors such as temperature performance, mechanical properties, chemical resistance, processing technology, electrical properties, color transparency, and cost to ensure that the material meets specific application requirements.

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

PCL-g-PEI is a copolymer of polycaprolactone (PCL) and polyethyleneimine (PEI) obtained through covalent bonding. PCL-g-PEI is commonly used in gene delivery systems. This material combines the biodegradability of polycaprolactone and the gene carrying ability of polyethyleneimine, effectively delivering nucleic acid molecules to target cells.

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