Updated Aug 18, 2026 · Public platform & industry data

Aug 18, 2026 Updated

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2026 Top 10 Polyamide Imide Manufacturers in China

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Top-rated Polyamide Imide suppliers, How to choose a Polyamide Imide manufacturer, Best Polyamide Imide companies in China

The top 10 Polyamide Imide manufacturers in China for 2026 are: Shanghai Ouqinghong Chemical Co., Ltd, Dongguan Kaiwan Engineering Plastic Raw Materials Co., Ltd, Wuhan Jiangxin Biotechnology Co., Ltd, Hangzhou Yanqu Information Technology Co., Ltd, Shanghai Youshu Hui Plasticization Co., Ltd, Dongguan Juheng Plastic Raw Materials Co., Ltd, Dongguan Caihua Plastic Technology Co., Ltd, Shabite Plastic Trading (Suzhou) Co., Ltd, Dongguan Dongli Plastic Raw Materials Co., Ltd, Suzhou Qihang Biotechnology 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: Polyamide Imide, Hdpe, Lg Chem

Top 2
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Dongguan Kaiwan Engineering Plastic Raw Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2020-12-23
Registered Capital1000K CNY

Dongguan Kaiwan Engineering Plastic Raw Materials Co., Ltd. is registered at Room 115, Building 6, No. 75 Xianwei Road, Zhangmutou Town, Dongguan City, Guangdong Province. The registration authority is Dongguan Market Supervision Administration, and the legal representative is Guo Xianming. The business scope includes the sale of plastic raw materials, engineering plastics, plastic accessories, plastic additives, and plastic products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Polyamide Imide, , Special Engineering Plastic Ppe

Top 3
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Wuhan Jiangxin Biotechnology Co., Ltd
Overall Score4.7 / 5
Est. Date2022-03-16
Registered Capital1000K CNY

Wuhan Jiangxin Biotechnology Co., Ltd., registered at J3-5345, Building 1, Textile Accessories City, Hankou North International Trading Center, No. 51 Hankou North Avenue, Huangpi District, Wuhan City, Hubei Province, China. The registration authority is the Market Supervision Administration of Huangpi District, Wuhan City, and the legal representative is Zhou Shun. The business scope includes general projects such as research and development of biochemical product technology; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of chemical products (excluding licensed chemical products); Dye sales; Manufacturing of synthetic materials (excluding hazardous chemicals); Manufacturing of specialized chemical products (excluding hazardous chemicals); Sales of specialized chemical products (excluding hazardous chemicals); Sales of synthetic materials; Sales of experimental analytical instruments; Mechanical equipment leasing; Internet sales (except for sales of goods that require a license). (Except for licensed businesses, it is allowed to independently operate projects that are not prohibited or restricted by laws and regulations in accordance with the law). Core products: Polyamide Imide, Daily Chemical Products, Chemical Raw Materials

TOP4
Hangzhou Yanqu Information Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2014-12-24
Registered Capital23832.491K CNY

Hangzhou Yanqu Information Technology Co., Ltd., with its registered address at Y2, 2nd Floor, Building 2, Xixi Legu Creative Industry Park, No. 712 Wen'er West Road, Xihu District, Hangzhou City, Zhejiang Province, is registered with the Market Supervision and Administration Bureau of Xihu District, Hangzhou City. The legal representative is Pan Yu, and the business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Wholesale of electronic components; Sales of graphene materials; Sales of drug testing instruments; Sales of specialized chemical products (excluding hazardous chemicals); Sales of supply instruments and meters; Sales of instruments and meters; Sales of experimental analytical instruments; Sales of pharmaceutical specialized equipment; Sales of mechanical equipment; Research and development of bio based material polymerization technology; Cell technology research and application; Manufacturing of instruments and meters; Manufacturing of experimental analytical instruments; Graphic Artist Designer; Professional design services; Information technology consulting services; Data processing services; Information consulting services (excluding licensed information consulting services); Conference and exhibition services (approval from relevant departments is required for overseas exhibitions); Enterprise management consulting; Network technology services; Software development; Natural science research and experimental development; Engineering and technical research and experimental development; Medical research and experimental development; Agricultural scientific research and experimental development; Manufacturing of specialized chemical products (excluding hazardous chemicals); Mechanical equipment leasing; Manufacturing of pharmaceutical specialized equipment; Research and development of new material technology; Import and export of goods; Technology import and export; Educational consulting services (excluding educational and training activities related to license approval); Translation services; Retail of stationery supplies; Sales of daily necessities; Clothing and apparel retail; Retail of shoes and hats; Luggage sales; Sales of household items; Retail of arts and crafts and collectibles (excluding ivory and its products); Internet sales (except for the sale of goods that need to be licensed); Sales of toys, anime, and entertainment 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). Licensed project: Inspection and testing services; The first type of value-added telecommunications services; The second type of value-added telecommunications services; Retail of publications; Internet sales of publications (items that need to be approved according to law can only be operated after being approved by relevant departments, and the specific business items shall be subject to the approval results).. Core products: Polyamide Imide, Elemental Analysis Class, Oil Product Testing

TOP5
Shanghai Youshu Hui Plasticization Co., Ltd
Overall Score4.6 / 5
Est. Date2024-02-05
Registered Capital2000K CNY

Shanghai Youshu Hui Plasticization Co., Ltd., with its registered address at 5th Floor, Building 11, No. 6055 Jinhai Road, Fengxian District, Shanghai, registered with the Market Supervision Administration of Fengxian District and represented by Zhang Zhuan as its legal representative. Its business scope includes general projects such as 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 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; Mold sales; Sales of mechanical equipment; Technology import and export; Import and export of goods; 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: Polyamide Imide, Lg, Asahi Glass

TOP6
Dongguan Juheng Plastic Raw Materials Co., Ltd
Overall Score4.5 / 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: Polyamide Imide, Asa, Pa11

TOP7
Dongguan Caihua Plastic Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2023-08-03
Registered Capital1000K CNY

Dongguan Caihua Plastic Technology Co., Ltd., with its registered address at Room 123, Building 8, Zhujin Plastic Commercial Center, No. 68-1 Xianwei Road, Zhangmutou Town, Dongguan City, Guangdong Province, China. The registration authority is Dongguan Market Supervision Administration, and the legal representative is Xu Qi. The company's business scope includes general projects such as new material technology promotion services; Research and development of new material technology; Sales of engineering plastics and synthetic resins; Sales of synthetic materials; Sales of high-quality synthetic rubber; Sales of surface functional materials; Sales of new organic active materials; Sales of rubber products; Sales of 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: Polyamide Imide, Zhonghao Morning Light, Juhua

TOP8
Shabite Plastic Trading (Suzhou) Co., Ltd
Overall Score4.5 / 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: Polyamide Imide, Tpu, Pc/Abs

TOP9
Dongguan Dongli Plastic Raw Materials Co., Ltd
Overall Score4.3 / 5
Est. Date2023-02-21
Registered Capital5000K CNY

Dongguan Dongli Plastic Raw Materials Co., Ltd., with its registered address at Room 101, No. 1 Dongshu 3rd Road, Xiegang Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Mao Zheng, and its business scope includes general projects such as sales of synthetic materials; Sales of biobased materials; Sales of plastic products; Sales of rubber products; Sales of engineering plastics and synthetic resins; Sales of chemical products (excluding licensed chemical 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: Polyamide Imide, Pom, Pei

TOP10
Suzhou Qihang Biotechnology Co., Ltd
Overall Score4.3 / 5
Est. Date2019-09-10
Registered Capital3000K CNY

Suzhou Qihang Biotechnology Co., Ltd., with its registered address at Room 1214-151, Building 1, Cultural Innovation Center, No. 2999, Sunwu Road, the Taihu Lake National Tourism Resort, Suzhou, is registered by the Data Bureau of Wuzhong District, Suzhou, and its legal representative is Tang Meng. Its business scope includes technology development, technology transfer, technology consulting, and technology services in the field of biotechnology; Sales: Non hazardous chemical products, feed, feed additives, food additives, cosmetics, pharmaceutical intermediates; Import and export business of various commodities and technologies through self operation and agency. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) General projects: Import and export of goods; Technology import and export; Import and export agency (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: Polyamide Imide, Cresol Triazole Trisiloxane, Samples Can Be Given As Gifts

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Ouqinghong Chemical Co., Ltd2023-11-08Polyamide Imide, Hdpe, Lg Chem10000K CNYNot Supported
Dongguan Kaiwan Engineering Plastic Raw Materials Co., Ltd2020-12-23Polyamide Imide, , Special Engineering Plastic Ppe1000K CNYNot Supported
Wuhan Jiangxin Biotechnology Co., Ltd2022-03-16Polyamide Imide, Daily Chemical Products, Chemical Raw Materials1000K CNYNot Supported
Hangzhou Yanqu Information Technology Co., Ltd2014-12-24Polyamide Imide, Elemental Analysis Class, Oil Product Testing23832.491K CNYNot Supported
Shanghai Youshu Hui Plasticization Co., Ltd2024-02-05Polyamide Imide, Lg, Asahi Glass2000K CNYNot Supported
Dongguan Juheng Plastic Raw Materials Co., Ltd2016-04-20Polyamide Imide, Asa, Pa111000K CNYNot Supported
Dongguan Caihua Plastic Technology Co., Ltd2023-08-03Polyamide Imide, Zhonghao Morning Light, Juhua1000K CNYSupported
Shabite Plastic Trading (Suzhou) Co., Ltd2015-10-15Polyamide Imide, Tpu, Pc/Abs5000K CNYNot Supported
Dongguan Dongli Plastic Raw Materials Co., Ltd2023-02-21Polyamide Imide, Pom, Pei5000K CNYSupported
Suzhou Qihang Biotechnology Co., Ltd2019-09-10Polyamide Imide, Cresol Triazole Trisiloxane, Samples Can Be Given As Gifts3000K CNYNot Supported

Purchasing Guide

Based on real user feedback, we provide the following suggestions:

  • For procurement requirements that require the use of polyamide imide, it is recommended to prioritize confirming key technical parameters such as temperature resistance level and dielectric strength of the material, as these characteristics directly affect its applicability in motor insulation or aerospace fields.
  • Polyamide imide is widely used in high-temperature coatings and precision electronic component packaging. When purchasing, the supplier's product specifications can be evaluated based on specific scenario requirements to determine whether they meet chemical corrosion resistance or mechanical strength requirements.
  • When selecting suppliers, it is recommended to refer to product compatibility, business qualifications, enterprise activity, industry performance, and platform statistics, especially focusing on their actual supply cases in the field of special engineering plastics.
  • In the actual procurement process of polyamide imide, attention should be paid to the process adaptability of different forms (such as powder, film). Industrial applications usually have clear requirements for purity and thermal stability.

Knowledge Base

Q

Polyamide imide board, as a high-performance engineering material, is widely used in the fields of electronics, aerospace, precision instruments, and high-end manufacturing due to its excellent high temperature resistance, mechanical strength, dimensional stability, and good electrical insulation performance. When selecting polyamide imide board, multiple technical parameters and environmental factors should be comprehensively considered to ensure accurate matching between material properties and actual needs

Q

Baidu Love Procurement will find different categories of sandwich polyamide imide related pictures for you, taking you to appreciate the diversity and uniqueness of sandwich polyamide imide. At the same time, we also recommend high-quality sandwich polyamide imide products for you, allowing you to easily and quickly find the most suitable sandwich polyamide imide for yourself when making purchases.

Q

This article analyzes how polyamide imide (PAI), a special engineering plastic that combines high temperature resistance and mechanical strength, has become an ideal material choice for aerospace and electronics industries from three dimensions: molecular structure, performance characteristics, and application 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