Updated Oct 7, 2026 · Public platform & industry data

Oct 7, 2026 Updated

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2026 Top 10 Coc Manufacturers in China

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

The top 10 Coc manufacturers in China for 2026 are: Dongguan Xinshengli Plastic New Material Technology Co., Ltd, Shanghai Hongshuda Plastic Raw Materials Co., Ltd, Dongguan Xiangyi New Materials Co., Ltd, Suzhou Huijichang New Material Technology Co., Ltd, Shenzhen Libiao Enterprise Management Consulting Co., Ltd, Dongguan Sancheng Plastic Raw Materials Co., Ltd, Dongguan Hongkuo Plastic Co., Ltd, Shanghai Xinchengfa Plasticization Co., Ltd, Shanghai Hongshunjiang New Materials Co., Ltd, Suzhou Xinsu Yu Plastic Raw 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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Top 1
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Dongguan Xinshengli Plastic New Material Technology Co., Ltd
Overall Score4.9 / 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: Coc, Pa6, Polyether Epoxy Resin Pes

Top 2
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Shanghai Hongshuda Plastic Raw Materials Co., Ltd

Zone S, 1st Floor, Building 1, No. 15, Lane 588, Zhangliantang Road, Liantang Town, Qingpu District, Shanghai

Overall Score4.8 / 5
Est. Date2026-04-17
Registered Capital5000K CNY

Shanghai Hongshuda Plastic Raw Materials Co., Ltd. is located in Zone S, 1st Floor, Building 1, No. 15, Lane 588, Zhangliantang Road, Liantang Town, Qingpu District, Shanghai. It was established on April 17, 2026 and registered with the Qingpu District Market Supervision Administration. The legal representative is Li Xiulin. Core products: Coc, Hp500n, Electronic And Electrical Appliances

Top 3
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Dongguan Xiangyi New Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2022-11-15
Registered Capital1000K CNY

Dongguan Xiangyi New Materials Co., Ltd., with its registered address at Room 202, Building 2, No. 27 Xianwei Road, Zhangmutou Town, Dongguan City, Guangdong Province, is registered with the Dongguan Municipal Administration for Market Regulation. The legal representative is Guo Rongjun, and its business scope includes general projects such as research and development of new material technology; Sales of synthetic materials; Sales of high-performance fibers and composite materials; Sales of plastic products; Sales of rubber products; Retail of hardware products; Electronic product sales. (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: Coc, Solvay Pvdf, Usa,

TOP4
Suzhou Huijichang New Material Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2026-01-09
Registered Capital1000K CNY

Suzhou Huijichang New Material Technology Co., Ltd., registered at Room 9, Building 17, Shitailong Mold City, Lujia Town, Kunshan City, with Kunshan Data Bureau as the registration authority and Wang Ni as the legal representative. Its business scope includes general projects such as new material technology promotion services; Sales of engineering plastics and synthetic resins; Sales of synthetic materials; Sales of plastic products; Sales of rubber products; Sales of chemical products (excluding licensed chemical products); Sales of specialized chemical products (excluding hazardous chemicals); Sales of new catalytic materials and additives; Sales of glass fiber reinforced plastic products; Sales of office supplies; Sales of labor protection equipment; Wholesale of hardware products; Sales of metal products; Sales of mechanical equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; 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: Coc, Hdpe, Wire And Cable

TOP5
Shenzhen Libiao Enterprise Management Consulting Co., Ltd
Overall Score4.7 / 5
Est. Date2014-08-11
Registered Capital500K CNY

Shenzhen Libiao Enterprise Management Consulting Co., Ltd., registered at 813 Lankun Building, Minzhi Street, Longhua District, Shenzhen, with Longhua Bureau as the registration authority and Huang Junxia as the legal representative, engages in general business projects including enterprise management consulting and planning, authentication information consulting, and factory inspection information consulting; Intellectual property agency (excluding patent agency); Research and development of quality inspection technology and testing standard technology, as well as technical consulting; Product quality inspection and testing, as well as related technical consultation. Supply chain management, laboratory testing technology, inspection technology consulting, goods inspection technology consulting, and technology research and development; Software development; Development, sales, and technical consulting of computer software and hardware technology; Computer software technology development; Integration and development of detection systems; Research and development of standard technology. Network technology development and technical consulting; Managing e-commerce; Domestic trade; Import and export of goods and technology. Except for projects prohibited by laws and administrative regulations; projects restricted by laws and administrative regulations must obtain a license before operation. Core products: Coc, System Certification, Customer Factory Inspection

TOP6
Dongguan Sancheng Plastic Raw Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2021-11-09
Registered Capital1000K CNY

Dongguan Sancheng Plastic Raw Materials Co., Ltd., with its registered address at Room 203, Building 2, 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 Huang Maode. Its business scope includes general projects such as sales of synthetic materials; Sales of engineering plastics and synthetic resins; Sales of biobased materials; Sales of plastic products; Research and development of new material technology. (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: Coc, Asahi Kasei, Japan, Lg Korea

TOP7
Dongguan Hongkuo Plastic Co., Ltd
Overall Score4.6 / 5
Est. Date2015-05-29
Registered Capital1000K CNY

Dongguan Hongkuo Plastic Co., Ltd., with its registered address at 1st Floor, Building 6, Dongshu 5th Road, Taicheng Plastic Market, Renziyuan Village, Xiegang Town, Dongguan City, is registered with the Dongguan Market Supervision and Administration Bureau. The legal representative is Xiao Mingxia, and the business scope includes the sale of plastic raw materials, plastic additives, plastic auxiliary materials, other chemical products (excluding hazardous chemicals), plastic products, and general machinery and equipment; Import and export of goods and technology.. Core products: Coc, Pc/Abs, Sbr

TOP8
Shanghai Xinchengfa Plasticization Co., Ltd
Overall Score4.6 / 5
Est. Date2025-03-17
Registered Capital1000K CNY

Shanghai Xinchengfa Plasticization Co., Ltd., located at Building 5, No. 936 Guoshun Road, Nanqiao Town, Fengxian District, Shanghai, was established on March 17, 2025. The registration authority is the Fengxian District Market Supervision Administration, and the legal representative is Zeng Xiaoyun. Core products: Coc

TOP9
Shanghai Hongshunjiang New Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2024-03-05
Registered Capital2000K CNY

Shanghai Hongshunjiang New Materials Co., Ltd., with its registered address at 12th Floor, Building 2, No. 1919 Baziqiao Road, Nanqiao Town, Fengxian District, Shanghai, is registered with the Market Supervision Administration of Fengxian District. The legal representative is Tang Huaying, and the business scope includes general projects: new material technology promotion services; Sales of plastic products; Sales of rubber products; Sales of chemical products (excluding licensed chemical products); Sales of leather products; Sales of daily necessities; Sales of engineering plastics and synthetic resins; Internet sales (except for sales of goods that require a license). (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: Coc, Pbt, Black Granular Material

TOP10
Suzhou Xinsu Yu Plastic Raw Materials Co., Ltd
Overall Score4.3 / 5
Est. Date2018-03-07
Registered Capital2000K CNY

Suzhou Xinsu Yu Plastic Raw Materials Co., Ltd. is located on the second floor of Building 17, No. 06, Shitailong Mold City, No. 3 Lufeng East Road, Lujia Town, Kunshan City. It was established on March 7, 2018, with the registration authority of Kunshan Administrative Approval Bureau and the legal representative being Jiang Yating. Core products: Coc

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Dongguan Xinshengli Plastic New Material Technology Co., Ltd2021-11-24Coc, Pa6, Polyether Epoxy Resin Pes1000K CNYNot Supported
Shanghai Hongshuda Plastic Raw Materials Co., Ltd2026-04-17Coc, Hp500n, Electronic And Electrical Appliances5000K CNYSupported
Dongguan Xiangyi New Materials Co., Ltd2022-11-15Coc, Solvay Pvdf, Usa, 1000K CNYNot Supported
Suzhou Huijichang New Material Technology Co., Ltd2026-01-09Coc, Hdpe, Wire And Cable1000K CNYNot Supported
Shenzhen Libiao Enterprise Management Consulting Co., Ltd2014-08-11Coc, System Certification, Customer Factory Inspection500K CNYNot Supported
Dongguan Sancheng Plastic Raw Materials Co., Ltd2021-11-09Coc, Asahi Kasei, Japan, Lg Korea1000K CNYSupported
Dongguan Hongkuo Plastic Co., Ltd2015-05-29Coc, Pc/Abs, Sbr1000K CNYNot Supported
Shanghai Xinchengfa Plasticization Co., Ltd2025-03-17Coc1000K CNYNot Supported
Shanghai Hongshunjiang New Materials Co., Ltd2024-03-05Coc, Pbt, Black Granular Material2000K CNYNot Supported
Suzhou Xinsu Yu Plastic Raw Materials Co., Ltd2018-03-07Coc2000K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of COC, it is recommended to prioritize confirming key technical parameters such as the melt index and glass transition temperature of the material, which directly affect the applicability of injection molding processes.
  • COC is widely used in the fields of medical packaging and optical devices. When purchasing, the performance differences of materials such as light transmittance and chemical resistance should be evaluated according to specific scenario requirements.
  • When selecting COC suppliers, reference can be made to product compatibility, business qualifications, enterprise activity, industry performance, and platform statistics, with a particular focus on application case data in the medical or electronics industries.
  • Different batches of COC may have performance fluctuations. It is recommended to request suppliers to provide recent testing reports and compare stability with historical data before procurement.
  • If used in precision scenarios such as high-frequency communication devices, special attention should be paid to whether the dielectric constant and loss factor parameters of COC meet industry standards.

Knowledge Base

Q

This article compares the core differences between COc and PC engineering plastics: analyzing from three dimensions of heat resistance, transparency, and processing difficulty, it is clear that COc is suitable for high-precision complex structural components, while PC excels in large-sized transparent components. The article points out that selecting the wrong option can lead to product deformation or cracking, and provides scenario based selection recommendations and pit avoidance guidelines.

Q

COC plastics can be classified into hot forming, heat-resistant, glass fiber reinforced, injection molding grade, blow molding grade, film grade, copolymer, good toughness, and extrusion grade characteristics in industrial applications. The raw material specifications for high stiffness COC include: COC Germany TAP8007F-04 high-definition, high stiffness food packaging, medical packaging, and pharmaceutical packaging

Q

TOPAS COC from Germany, also known as Cyclic Olefin Polymer, is a high-quality and high-purity amorphous cyclic polyolefin resin formed by copolymerization of norbornene and polyethylene under the action of metallocene catalysts. TOPAS COC is a high-performance plastic material.

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