Updated Jul 11, 2026 · Public platform & industry data

Jul 11, 2026 Updated

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2026 Top 10 Pei Manufacturers in China Jiangsu

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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 Jiangsu for 2026 are: Shanghai Ouqinghong Chemical Co., Ltd, Ningbo Rongsu New Materials Co., Ltd, Suzhou Yitianli Plastic Co., Ltd, Shanghai Yichu Petrochemical Co., Ltd, Xi'an Kaixin Biotechnology Co., Ltd, Shabite Plastic Trading (Suzhou) Co., Ltd, Nanjing Dongna Biotechnology Co., Ltd, Suzhou Tiantao Plasticization Co., Ltd, Nanchang Liubin New Material Technology Co., Ltd, Wuxi Chengnuo 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 Ouqinghong Chemical Co., Ltd
Overall Score4.9 / 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 2
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Ningbo Rongsu New Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2022-04-19
Registered Capital1000K CNY

Ningbo Rongsu New Materials Co., Ltd., with its registered address at No. 522 Xinjian North Road, Fengshan Street, Yuyao City, Zhejiang Province (self declared), registered with the Yuyao Market Supervision Administration Bureau, and represented by Yi Guiji as its legal representative. Its business scope includes general projects such as 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 chemical products (excluding licensed chemical products); 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, business activities can be carried out independently based on the business license in accordance with the law).. Core products: Pei, Tpu, Abs

Top 3
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Suzhou Yitianli Plastic Co., Ltd
Overall Score4.8 / 5
Est. Date2017-01-20
Registered Capital1000K CNY

Suzhou Yitianli Plastic Co., Ltd., with its registered address at No. 22, Zone D, Shitailong Mold City, No. 3 Lufeng East Road, Lujia Town, Kunshan City, is registered with the Kunshan Administrative Approval Bureau and represented by Kang Haizhen. Its business scope includes wholesale and retail of plastic raw materials; Sales of hardware and electronics; 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, Pa46, Eve

TOP4
Shanghai Yichu Petrochemical Co., Ltd
Overall Score4.7 / 5
Est. Date2018-02-23
Registered Capital1000K CNY

Shanghai Yichu Petrochemical Co., Ltd. is registered at Room 2881, 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 Zhou Huayun. Its business scope includes wholesale and retail of chemical raw materials and products (excluding hazardous chemicals, monitored chemicals, civilian explosives, and precursor chemicals), plastic products, and rubber products. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Pei, Connector, Engineering Plastic

TOP5
Xi'an Kaixin Biotechnology Co., Ltd
Overall Score4.7 / 5
Est. Date2013-09-25
Registered Capital2000K CNY

Xi'an Kaixin Biotechnology Co., Ltd., with its registered address at Room 10206, Building 4, Huayuan Building, No. 52 Zhuque Street, 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 Li Jie, and the business scope includes general projects such as biomass energy technology services; Research and development of biochemical product technology; Sales of biobased materials; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of instruments and meters; Sales of technical glass products; Sales of chemical products (excluding licensed chemical products); Sales of daily chemical products; Sales of specialized chemical products (excluding hazardous chemicals); Import and export of goods; Import and export agency. (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, Mts Reagent, Fluorescent Dye

TOP6
Shabite Plastic Trading (Suzhou) Co., Ltd
Overall Score4.6 / 5
Est. Date2015-10-15
Registered Capital5000K CNY

Shabit Plastic Trading (Suzhou) Co., Ltd., registered at No. 308, Zone A, Shitailong Mold City, Lufeng East Road, Lujia Town, Kunshan City, with the registration authority of Kunshan Administrative Approval Bureau and the legal representative of He Bin. 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 molds, mechanical equipment and accessories, and hardware and electrical equipment; 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, South Korea Sk, Shaber Foundation

TOP7
Nanjing Dongna Biotechnology Co., Ltd
Overall Score4.6 / 5
Est. Date2011-08-23
Registered Capital10000K CNY

Nanjing Dongna Biotechnology Co., Ltd., registered at 6th Floor, Building 5, North District, Life Science and Technology Town, 568 Longmian Avenue, Jiangning District, Nanjing City (Jiangning High tech Park), registered with the Jiangning District Government Service Management Office of Nanjing City, with Cui Yan as the legal representative. Its business scope includes general projects such as technology promotion and application services; Production of magnetic materials; Sales of magnetic materials; Sales of synthetic materials; Sales of surface functional materials; Research and development of new material technology; Promotion services for new material technology; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Natural science research and experimental development; Technology import and export; Import and export of goods (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, Protein Purification Magnetic Beads,

TOP8
Suzhou Tiantao Plasticization Co., Ltd
Overall Score4.6 / 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, Tpee, Peek

TOP9
Nanchang Liubin New Material Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2021-05-28
Registered Capital1000K CNY

Nanchang Liubin New Material Technology Co., Ltd. is located at Room 113, Commercial Building 3, Qingyun Mingzhu, No. 155 Sandian West Road, Qingyunpu District, Nanchang City, Jiangxi Province (first floor). It was established on May 28, 2021, and registered with the Market Supervision and Administration Bureau of Qingyunpu District, Nanchang City. The legal representative is Deng Jianhui. Core products: Pei

TOP10
Wuxi Chengnuo Plastic Co., Ltd
Overall Score4.4 / 5
Est. Date2018-08-13
Registered Capital1500K CNY

Wuxi Chengnuo Plastic Co., Ltd., registered at No. 15-16, Building 7, Zone 1, No. 6 Luoshen Road, Huishan District, Wuxi City (West Station Logistics Park), registered with the Administrative Approval Bureau of Huishan District, Wuxi City. The legal representative is Zhang Wei, and the business scope includes the sales of chemical products and raw materials (excluding dangerous goods), metal materials, building materials, mechanical equipment, hardware products, and electronic products; Research and development of plastic products; Enterprise management consulting services. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Pei, Abs, Pa6

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Ouqinghong Chemical Co., Ltd2023-11-08Pei, Hdpe, Lg Chem10000K CNYNot Supported
Ningbo Rongsu New Materials Co., Ltd2022-04-19Pei, Tpu, Abs1000K CNYNot Supported
Suzhou Yitianli Plastic Co., Ltd2017-01-20Pei, Pa46, Eve1000K CNYSupported
Shanghai Yichu Petrochemical Co., Ltd2018-02-23Pei, Connector, Engineering Plastic1000K CNYNot Supported
Xi'an Kaixin Biotechnology Co., Ltd2013-09-25Pei, Mts Reagent, Fluorescent Dye2000K CNYNot Supported
Shabite Plastic Trading (Suzhou) Co., Ltd2015-10-15Pei, South Korea Sk, Shaber Foundation5000K CNYNot Supported
Nanjing Dongna Biotechnology Co., Ltd2011-08-23Pei, Protein Purification Magnetic Beads, 10000K CNYNot Supported
Suzhou Tiantao Plasticization Co., Ltd2017-05-19Pei, Tpee, Peek3500K CNYNot Supported
Nanchang Liubin New Material Technology Co., Ltd2021-05-28Pei1000K CNYNot Supported
Wuxi Chengnuo Plastic Co., Ltd2018-08-13Pei, Abs, Pa61500K 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 material has excellent mechanical properties, with high strength and modulus, high tensile and bending strength, and large elastic modulus; Good toughness and impact resistance, with ductility even at low temperatures up to 200 ° C; It also has excellent fatigue resistance, creep resistance, and can maintain stable performance under various conditions, which can replace metals in structural equipment

Q

This article provides a detailed introduction to PEI, also known as polyetherimide, which is a high-performance specialty engineering plastic. The article elaborates on the main characteristics of PEI, including high temperature resistance, excellent flame retardancy, outstanding electrical performance, etc., and explores the molding processing temperature of PEI and its applications in various fields.

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