Updated Aug 1, 2026 · Public platform & industry data

Aug 1, 2026 Updated

English
title decor left

2026 Top 10 Pai Manufacturers in China

title decor right

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

The top 10 Pai manufacturers in China for 2026 are: Shanghai Ouqinghong Chemical Co., Ltd, Shenzhen Xinqiyi Technology Co., Ltd, Shanghai Xiangsu New Materials Co., Ltd, Dongguan Tianzhihong Plasticization Co., Ltd, Shenzhen Lanyun Weiye Technology Co., Ltd, Paijiesi Precision Machinery Technology (Chengdu) Co., Ltd, Shenzhen Kaiyang Electronics Co., Ltd, Shanghai Xinyu Biotechnology Co., Ltd, Shanghai Guyan Industrial Co., Ltd, Dongguan Yufeng Plastic Chemical 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
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: Pai, Hdpe, Lg Chem

Top 2
background image
Shenzhen Xinqiyi Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2020-06-15
Registered Capital1000K CNY

Shenzhen Xinqiyi Technology Co., Ltd., with its registered address at Room C, Block 12D, Huaqiang Plaza, No. 1019 Huaqiang North Road, Huahang Community, Huaqiang North Street, Futian District, Shenzhen. The registration authority is the Shenzhen Market Supervision Administration, and the legal representative is Lin Dongna. Its business scope includes technical research and sales of electronic products; Sales of integrated circuits, communication equipment, photography equipment, smart homes, lighting products, hardware products, instruments and meters, security equipment, electronic components, and computer peripheral accessories; Research and sales of hardware and digital products; Sales of office supplies and consumables; Managing e-commerce; Domestic trade; Import and export of goods and technology. (Except for projects prohibited by laws, administrative regulations, and decisions of the State Council, restricted projects must obtain a license before operation). Core products: Pai, Deserializer/Deserializer, Power Module

Top 3
background image
Shanghai Xiangsu New Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2017-07-20
Registered Capital2000K CNY

Shanghai Xiangsu New Materials Co., Ltd. is registered at Room 129, 10th Floor, Building 4, No. 1247 Meichuan Road, Putuo District, Shanghai. The registered authority is the Putuo District Market Supervision Administration, and the legal representative is Liu Aijuan. Its business scope includes the sale of plastic products, metal materials, hardware, electromechanical equipment, chemical products (excluding hazardous chemicals, monitored chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), environmental protection equipment, ordinary mechanical equipment and spare parts, office supplies, and labor protection supplies. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Pai, Epoxy Board, Pc

TOP4
Dongguan Tianzhihong Plasticization Co., Ltd
Overall Score4.6 / 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: Pai, Polyphenylene Sulfide - Pps, Polyamide 12-Pa12

TOP5
Shenzhen Lanyun Weiye Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2014-04-11
Registered Capital500K CNY

Shenzhen Lanyun Weiye Technology Co., Ltd. is registered at 2912 and 2915, New Asia Guoli Building, No. 18 Zhonghang Road, Huahang Community, Huaqiangbei Street, Futian District, Shenzhen. The registration authority is the Shenzhen Market Supervision Administration, and the legal representative is Lin Xiwu. The business scope includes general business projects such as technology development, design, and sales of electronic components, computers, and network equipment; Domestic trade (excluding exclusive, controlled, and monopolized goods); Engage in import and export business. The licensed business projects are:. Core products: Pai, Connector, Datasheet

TOP6
Paijiesi Precision Machinery Technology (Chengdu) Co., Ltd
Overall Score4.5 / 5
Est. Date2020-04-10
Registered Capital7200K CNY

Paijiesi Precision Machinery Technology (Chengdu) Co., Ltd., registered at No. 2429, 24th Floor, Building 1, No. 666 Jinfu Road, Jinniu District, Chengdu City, Sichuan Province, with the registration authority of Jinniu District Market Supervision and Administration Bureau and the legal representative as Zhu Hancui. Its business scope includes precision machinery research and development, production (limited to branch offices engaged in production and processing operations in industrial parks), sales, installation, and maintenance; Sales: metal products, mechanical and electrical equipment hardware, measuring tools and cutting tools, labor protection supplies, electrical equipment, mechanical equipment; Import and export of goods or technology (excluding goods and technology prohibited by the state or involving administrative approval) (for projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Pai, Hydraulic Torque Wrench, Digital Torque Wrench Series

TOP7
Shenzhen Kaiyang Electronics Co., Ltd
Overall Score4.5 / 5
Est. Date2020-12-25
Registered Capital1000K CNY

Shenzhen Kaiyang Electronics Co., Ltd., registered at 5508A SEG Plaza, No. 1002 Huaqiang North Road, Fuqiang Community, Huaqiang North Street, Futian District, Shenzhen, with the registration authority of Shenzhen Market Supervision Administration and the legal representative of Zhu Zhenwen, is engaged in the technical development and sales of electronic components, integrated circuits, optoelectronic products, semiconductors, components, 3C products, digital products, electromechanical products, power adapters, instruments and meters, hardware and electrical components and accessories, metal products, solar products, and communication products; Sales of office supplies; Electronic product design; Domestic trade; Engage in import and export business; Managing e-commerce. Except for projects prohibited by laws, administrative regulations, and decisions of the State Council, restricted projects must obtain a license before they can be operated. ^None. Core products: Pai, Sgm41101-420M12ytdi6g/Tr, Pdf

TOP8
Shanghai Xinyu Biotechnology Co., Ltd
Overall Score4.5 / 5
Est. Date2012-08-17
Registered Capital500K CNY

Shanghai Xinyu Biotechnology Co., Ltd. is registered at Room A241, 2nd Floor, Building 3, No. 2118 Guanghua Road, Minhang District, Shanghai. The registration authority is Minhang District Market Supervision Administration, and the legal representative is Chen Shuxia. The business scope includes technology development, consulting, services, and transfer in the fields of biotechnology and pharmaceutical technology, as well as sales of instruments, laboratory instruments and consumables, glass products, electronic products, medical equipment, chemical products and raw materials (excluding hazardous chemicals, monitored chemicals, fireworks and firecrackers, civilian explosives, and easily toxic chemicals). Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Pai, Recombinant Protein, Human Derived Cell Lines

TOP9
Shanghai Guyan Industrial Co., Ltd
Overall Score4.3 / 5
Est. Date2012-10-24
Registered Capital500K CNY

Shanghai Guyan Industrial Co., Ltd., registered at Room A364, 3rd Floor, Building 3, No. 2118 Guanghua Road, Minhang District, Shanghai, with the registration authority of Minhang District Market Supervision Administration and the legal representative of Gao Zhiwei, engages in technical consulting, technical services, technology development, technology transfer, business consulting (excluding brokerage), e-commerce (excluding value-added telecommunications and financial services), investment management, construction projects (operating with licensed qualifications), chemical raw materials and products (excluding hazardous chemicals, monitored chemicals, fireworks and firecrackers, civilian explosives, precursor chemicals), laboratory equipment, measuring equipment, hotel equipment, environmental protection equipment, clocks, clothing, shoes and hats, leather goods, bags and suitcases in the fields of biotechnology and pharmaceutical technology. Sales of a class of medical devices, electronic products, and ceramic products. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Pai, Recombinant Protein, Antibody

TOP10
Dongguan Yufeng Plastic Chemical Co., Ltd
Overall Score4.3 / 5
Est. Date2015-06-10
Registered Capital1000K CNY

Dongguan Yufeng Plastic Chemical Co., Ltd., with its registered address at Room 110, Building 12, No. 68-1 Xianwei Road, Zhangmutou Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Tang Xiangjuan, and the business scope includes the sale of plastic raw materials, plastic pigments, plastic additives, plastic products, plastic molds, and other chemical products (excluding hazardous chemicals); 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: Pai, Pa9t, Pc

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Ouqinghong Chemical Co., Ltd2023-11-08Pai, Hdpe, Lg Chem10000K CNYNot Supported
Shenzhen Xinqiyi Technology Co., Ltd2020-06-15Pai, Deserializer/Deserializer, Power Module1000K CNYNot Supported
Shanghai Xiangsu New Materials Co., Ltd2017-07-20Pai, Epoxy Board, Pc2000K CNYSupported
Dongguan Tianzhihong Plasticization Co., Ltd2017-12-12Pai, Polyphenylene Sulfide - Pps, Polyamide 12-Pa121880K CNYNot Supported
Shenzhen Lanyun Weiye Technology Co., Ltd2014-04-11Pai, Connector, Datasheet500K CNYNot Supported
Paijiesi Precision Machinery Technology (Chengdu) Co., Ltd2020-04-10Pai, Hydraulic Torque Wrench, Digital Torque Wrench Series7200K CNYNot Supported
Shenzhen Kaiyang Electronics Co., Ltd2020-12-25Pai, Sgm41101-420M12ytdi6g/Tr, Pdf1000K CNYNot Supported
Shanghai Xinyu Biotechnology Co., Ltd2012-08-17Pai, Recombinant Protein, Human Derived Cell Lines500K CNYNot Supported
Shanghai Guyan Industrial Co., Ltd2012-10-24Pai, Recombinant Protein, Antibody500K CNYNot Supported
Dongguan Yufeng Plastic Chemical Co., Ltd2015-06-10Pai, Pa9t, Pc1000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of PAI, it is recommended to prioritize confirming technical parameters such as accuracy level, response speed, and environmental adaptability, which directly affect the system integration effect in industrial automation scenarios.
  • In different application scenarios such as medical imaging or financial analysis, the algorithm compatibility and data processing capabilities of PAI vary greatly, and specific technical requirements for business scenarios need to be clarified before procurement.
  • When selecting suppliers, priority should be given to product matching, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information to ensure supply chain stability.
  • When purchasing PAI, it is usually necessary to pay attention to the actual cases of suppliers in vertical fields such as intelligent manufacturing or smart cities. Industry performance can indirectly reflect product maturity and applicability.

Knowledge Base

Q

PAI board, as a high-performance engineering material, is widely used in the manufacturing of structural components under harsh working conditions such as high temperature, high strength, and high wear resistance. When selecting PAI boards, it is necessary to comprehensively consider their physical properties, chemical stability, processing characteristics, and multiple requirements for specific application scenarios. Firstly, the temperature range of the usage environment should be clearly defined. PAI material has excellent heat resistance and long

Q

This article reveals the chemical reaction principles, key steps, and optimization techniques for synthesizing PAI plastics from ortho phenylenediamine. From raw material ratios to reaction conditions, it takes you to easily master the synthesis methods of high-performance plastics.

Q

Solvay Torlon polyamide imide (PAI) is the highest performing and melt processable thermoplastic. This amorphous polymer has excellent wear resistance, creep resistance, and chemical resistance, and performs well under harsh usage conditions up to 260C (500F).

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