Updated Aug 31, 2026 · Public platform & industry data

Aug 31, 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 Bangxi Trading Co., Ltd, Shanghai Ouqinghong Chemical Co., Ltd, Suzhou Laurenvis Plasticization Co., Ltd, Shanghai Huiping New Energy Co., Ltd, Shanghai Huiping Chemical Co., Ltd, Shanghai Jinberun Plasticization Co., Ltd, Shanghai Shengyi Yuan Plasticization Co., Ltd, Shanghai Xinzao Industrial Co., Ltd, Shanghai Guli Plasticization Co., Ltd, Suzhou Chenzhituo Polymer 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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ShanghaiShanghai
Top 1
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Shanghai Bangxi Trading Co., Ltd
Overall Score4.9 / 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

Top 2
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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

Top 3
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Suzhou Laurenvis Plasticization Co., Ltd
Overall Score4.8 / 5
Est. Date2014-09-29
Registered Capital5000K CNY

Suzhou Laurenvis Plasticization Co., Ltd., with its registered address at No. 8, F Zone, Building 6, Shitailong Mold City, No. 3 Lufeng East Road, Lujia Town, Kunshan City, is registered with Kunshan Data Bureau and represented by Hu Zhen as the legal representative. Its business scope includes the sale of plastic raw materials, plastic products, plastic additives, plastic pigments, plastic colorants, hardware and electrical components, as well as self operated and agency import and export business of various commodities and technologies. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Pei, Lanxess Pa66 From Germany, American Suwei Ppsppa

TOP4
Shanghai Huiping New Energy Co., Ltd
Overall Score4.7 / 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

TOP5
Shanghai Huiping Chemical Co., Ltd
Overall Score4.7 / 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

TOP6
Shanghai Jinberun Plasticization Co., Ltd
Overall Score4.6 / 5
Est. Date2025-12-25
Registered Capital1000K CNY

Shanghai Jinberun Plasticization Co., Ltd. is located on the 1st floor of Building 16, No. 6977 Dongfang Meigu Avenue, Fengxian District, Shanghai (centralized registration address). It was established on December 25, 2025, with the registration authority being the Fengxian District Market Supervision Administration and the legal representative being Li Mingxiang. Core products: Pei

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, Shandong Yinuowei, Mitsubishi Engineering Of Japan

TOP8
Shanghai Xinzao Industrial Co., Ltd
Overall Score4.6 / 5
Est. Date2018-06-12
Registered Capital1000K CNY

Shanghai Xinzao Industrial Co., Ltd. is registered at Room 223, 2nd Floor, Building 3, No. 69 Huafang Road, Qingpu District, Shanghai. The registration authority is the Qingpu District Market Supervision Administration, and the legal representative is Mo Zong. The company's business scope includes the sale of chemical products and raw materials (excluding hazardous chemicals, monitoring chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), plastic products, mechanical equipment, import of goods and technology, cultural and artistic exchange planning and consulting, corporate image planning, marketing planning, conference services, exhibition and display services, artistic creation and performance, stage construction, wedding etiquette services, technical consulting and technical services in the field of plastic technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Pei, Abs, Pom

TOP9
Shanghai Guli Plasticization Co., Ltd
Overall Score4.5 / 5
Est. Date2017-08-17
Registered Capital10000K CNY

Shanghai Guli Plasticization Co., Ltd. is registered at Room 2496, No. 1338-1 Huancheng South Road, Nanqiao Town, Fengxian District, Shanghai. The registration authority is the Market Supervision Bureau of Fengxian District, and the legal representative is Tang Anhuai. The business scope includes wholesale and retail of plastic products, rubber products, chemical raw materials and products (excluding hazardous chemicals, monitored chemicals, civilian explosives, and precursor chemicals). Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Pei, Ensinger Rods From Germany, Tpu Covestro

TOP10
Suzhou Chenzhituo Polymer Materials Co., Ltd
Overall Score4.4 / 5
Est. Date2024-01-22
Registered Capital2000K CNY

Suzhou Chenzhituo Polymer Materials Co., Ltd., with its registered address at Room 36, Building 13, Shitailong Mold City, Lujia Town, Kunshan City, is registered with the Kunshan Administrative Approval Bureau and represented by He Wenqi. Its business scope includes general projects such as research and development of new material technology; Sales of plastic products; Sales of rubber products; Sales of chemical products (excluding licensed chemical products); Sales of engineering plastics and synthetic resins; Import and export of goods; Technology import and export (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Core products: Pei, Engineering Plastic, Ldpe

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
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
Suzhou Laurenvis Plasticization Co., Ltd2014-09-29Pei, Lanxess Pa66 From Germany, American Suwei Ppsppa5000K CNYNot Supported
Shanghai Huiping New Energy Co., Ltd2016-05-20Pei, Arkema, Shell Shell10000K CNYNot Supported
Shanghai Huiping Chemical Co., Ltd2006-10-25Pei, Arkema, Huiping Scm41000K CNYNot Supported
Shanghai Jinberun Plasticization Co., Ltd2025-12-25Pei1000K CNYNot Supported
Shanghai Shengyi Yuan Plasticization Co., Ltd2022-06-15Pei, Shandong Yinuowei, Mitsubishi Engineering Of Japan5000K CNYNot Supported
Shanghai Xinzao Industrial Co., Ltd2018-06-12Pei, Abs, Pom1000K CNYSupported
Shanghai Guli Plasticization Co., Ltd2017-08-17Pei, Ensinger Rods From Germany, Tpu Covestro10000K CNYNot Supported
Suzhou Chenzhituo Polymer Materials Co., Ltd2024-01-22Pei, Engineering Plastic, Ldpe2000K 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

In industrial manufacturing and material applications, PEI (polyetherimide), as a high-performance engineering plastic, is widely used in various fields such as electronics, automotive, medical, etc. due to its excellent high temperature resistance, chemical corrosion resistance, and mechanical strength. For how to choose the appropriate PEI material, it is necessary to consider multiple dimensions comprehensively. Firstly, it is necessary to clarify the impact of usage scenarios on material properties

Q

PEI plastics can be classified into compression molding, high rigidity, low smoke, halogen-free, static conductivity, heat resistance, and acid resistance in industrial applications. The raw material specifications for enhancing PEI include PEI based on 231030% glass fiber reinforcement, low viscosity melt exceeding 72, and prolonged residence time at this temperature, which may affect color stability.

Q

PLGA-g-PEI is a composite material made by connecting polyethyleneimine (PEI) to PLGA, mainly used for gene delivery. PEI is a commonly used gene carrier that can carry negatively charged nucleic acid molecules into target cells through electrostatic interactions. The addition of PLGA provides good biodegradability.

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