Updated Aug 9, 2026 · Public platform & industry data

Aug 9, 2026 Updated

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2026 Top 10 Cop Manufacturers in China

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

The top 10 Cop manufacturers in China for 2026 are: Dongguan Baojia Plastic Co., Ltd, Dongguan Rongfeng Optoelectronics Co., Ltd, Dongguan Juye New Materials Co., Ltd, Dongguan Caihua Plastic Technology Co., Ltd, Dongguan Longsheng Engineering Plastic Co., Ltd, Shanghai Chengwei Plasticization Co., Ltd, Guangzhou Jiushun New Materials Co., Ltd, Dongguan Chaorong Plastic Raw Materials Co., Ltd, Dongguan Kaiyuan Plastic Raw Materials Co., Ltd, Xinersheng Plastic Raw Materials (Dongguan) 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 Baojia Plastic Co., Ltd
Overall Score4.9 / 5
Est. Date2018-01-17
Registered Capital1000K CNY

Dongguan Baojia Plastic Co., Ltd. is registered at 2nd Floor, No. 25 Xianwei Avenue, Baiguodong Community, Zhangmutou Town, Dongguan City. The registration authority is Dongguan Market Supervision Administration, and the legal representative is Guo Yulan. The business scope includes the sale of plastic raw materials, rubber raw materials, plastic additives, plastic products, other chemical products (excluding hazardous chemicals), hardware products, and electronic products.. Core products: Cop, Smma Styrene Dimethyl Methacrylate Copolymer, Ldpe Low Density Polyethylene

Top 2
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Dongguan Rongfeng Optoelectronics Co., Ltd
Overall Score4.7 / 5
Est. Date2016-12-27
Registered Capital2000K CNY

Dongguan Rongfeng Optoelectronics Co., Ltd., with its registered address at Room 722, Building B, Yingfeng Building, Shuisheyong Community, Wanjiang Street, Dongguan City, is registered with the Dongguan Market Supervision Administration Bureau and represented by Xu Hai. Its business scope includes the sale of electronic optical thin film materials, conductive films, and liquid crystal panels; Import and export of goods and technology.. Core products: Cop, Da Sai Lu Pc Conductive Film, Agpcc Conductive Film

Top 3
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Dongguan Juye New Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2024-08-16
Registered Capital1000K CNY

Dongguan Juye New Materials Co., Ltd., with its registered address at Room 106, Building 7, No. 1 Plastic Road, Zhangmutou Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Feng Changxi, and its business scope includes general projects such as new material technology promotion services; Sales of synthetic materials; Sales of plastic products; Sales of biobased materials; Sales of engineering plastics and synthetic resins; Sales of new catalytic materials and additives; Sales of specialized chemical products (excluding hazardous chemicals); 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: Cop, Taiwan's Li Changrong, Taiwanization Of Taiwan

TOP4
Dongguan Caihua Plastic Technology Co., Ltd
Overall Score4.6 / 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: Cop, Juhua, 3M

TOP5
Dongguan Longsheng Engineering Plastic Co., Ltd
Overall Score4.6 / 5
Est. Date2016-11-21
Registered Capital2000K CNY

Dongguan Longsheng Engineering Plastics Co., Ltd. is registered at No. 18, Lane 6, South District, Baiguodong Village, Baiguodong Community, Zhangmutou Town, Dongguan City. The registration authority is Dongguan Market Supervision Administration, and the legal representative is Zeng Jie. The business scope includes the sale of plastic raw materials, plastic products, rubber raw materials, plastic additives, other chemical products (excluding hazardous chemicals), hardware products, and electronic products.. Core products: Cop, Pa1012, Pmma/Abs

TOP6
Shanghai Chengwei Plasticization Co., Ltd
Overall Score4.5 / 5
Est. Date2017-08-18
Registered Capital1000K CNY

Shanghai Chengwei Plasticization Co., Ltd., with its registered address at Room 1087, 2nd Floor, Zone 1, Building 1, No. 15, Lane 588, Zhangliantang Road, Liantang Town, Qingpu District, Shanghai, is registered with the Qingpu District Market Supervision and Administration Bureau. The legal representative is Mo Youjun, and its business scope includes the sale of plastic raw materials and products, chemical products and raw materials (excluding hazardous chemicals, monitored chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), hardware and electrical equipment, as well as 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: Cop, Pc/Abs Alloy Material, Hips Recycled Material

TOP7
Guangzhou Jiushun New Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2021-09-24
Registered Capital1000K CNY

Guangzhou Jiushun New Materials Co., Ltd., registered at Room 709, No. 4 Zhudian Road (Huahui Commercial Plaza), Nansha District, Guangzhou (office only) (multiple photos for one address), registered with the Market Supervision Administration of Nansha District, Guangzhou, with Xia Lei as the legal representative. Its business scope includes the sale of plastic products; Sales of rubber products; Leather sales; Sales of engineering plastics and synthetic resins; Sales of leather products; Sales of chemical products (excluding licensed chemical products); Sales of mechanical equipment; Wholesale of hardware products; Sales of glass fiber reinforced plastic products; Sales of specialized equipment for plastic processing; Retail of hardware products; Manufacturing of glass fiber reinforced plastic products; Research and development of new material technology; Manufacturing of specialized equipment for plastic processing; Manufacturing of plastic products; Needle textile sales; Sales of lime and gypsum; Sales of wooden containers; Sales of automotive decorative products;;. Core products: Cop, Coc, Pa11

TOP8
Dongguan Chaorong Plastic Raw Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2019-10-25
Registered Capital1000K CNY

Dongguan Chaorong Plastic Raw Materials Co., Ltd., with its registered address at Room 102, Building 9, Plastic Gold Plastic Commercial Center, No. 68-1 Xianwei Road, Zhangmutou Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Zhou Dong, and its business scope includes research and development, sales of plastic raw materials, nanomaterials, engineering plastics, plastic accessories, plastic products, plastic additives, plastic colorants, mechanical equipment, molds, hardware products, and electronic products; Import and export of goods or technology (excluding goods and technology prohibited by the state or subject to administrative approval). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Cop, Pps Tecona Usa, Pi

TOP9
Dongguan Kaiyuan Plastic Raw Materials Co., Ltd
Overall Score4.4 / 5
Est. Date2021-03-29
Registered Capital1000K CNY

Dongguan Kaiyuan Plastic Raw Materials Co., Ltd., with its registered address at Room 401, No. 18, Lane 17, Baiguodong South District, Zhangmutou Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Yan Jun. Its business scope includes general projects such as sales of synthetic materials; Sales of plastic products; Sales of engineering plastics and synthetic resins; Sales of surface functional materials; Sales of new organic active materials; Sales of rubber products; Sales of chemical products (excluding licensed chemical products); Sales of specialized chemical products (excluding hazardous chemicals); 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: Cop, Pa9t Engineering Plastic, Ppo Polyphenylene Ether

TOP10
Xinersheng Plastic Raw Materials (Dongguan) Co., Ltd
Overall Score4.4 / 5
Est. Date2022-11-07
Registered Capital1000K CNY

Xinersheng Plastic Raw Materials (Dongguan) Co., Ltd., with its registered address at No. 387, Shurong Street, Changping Town, Dongguan City, Guangdong Province, is registered with the Dongguan Municipal Administration for Market Regulation. The legal representative is Fu Li, and its business scope includes general projects such as sales of plastic products; Sales of synthetic materials; Sales of engineering plastics and synthetic resins; Sales of rubber products; Sales of new catalytic materials and additives; Research and development of new material technology; Electronic product sales; Sales of metal products; Plastic surface treatment; Import and export of goods; Technology import and export; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (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: Cop, Japanese Daikin, Pes Basic Innovative Plastics (Usa)

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Dongguan Baojia Plastic Co., Ltd2018-01-17Cop, Smma Styrene Dimethyl Methacrylate Copolymer, Ldpe Low Density Polyethylene1000K CNYNot Supported
Dongguan Rongfeng Optoelectronics Co., Ltd2016-12-27Cop, Da Sai Lu Pc Conductive Film, Agpcc Conductive Film2000K CNYNot Supported
Dongguan Juye New Materials Co., Ltd2024-08-16Cop, Taiwan's Li Changrong, Taiwanization Of Taiwan1000K CNYNot Supported
Dongguan Caihua Plastic Technology Co., Ltd2023-08-03Cop, Juhua, 3M1000K CNYSupported
Dongguan Longsheng Engineering Plastic Co., Ltd2016-11-21Cop, Pa1012, Pmma/Abs2000K CNYNot Supported
Shanghai Chengwei Plasticization Co., Ltd2017-08-18Cop, Pc/Abs Alloy Material, Hips Recycled Material1000K CNYNot Supported
Guangzhou Jiushun New Materials Co., Ltd2021-09-24Cop, Coc, Pa111000K CNYNot Supported
Dongguan Chaorong Plastic Raw Materials Co., Ltd2019-10-25Cop, Pps Tecona Usa, Pi1000K CNYNot Supported
Dongguan Kaiyuan Plastic Raw Materials Co., Ltd2021-03-29Cop, Pa9t Engineering Plastic, Ppo Polyphenylene Ether1000K CNYNot Supported
Xinersheng Plastic Raw Materials (Dongguan) Co., Ltd2022-11-07Cop, Japanese Daikin, Pes Basic Innovative Plastics (Usa)1000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of COP, it is recommended to prioritize confirming key technical parameters such as temperature resistance range and compressive strength of the product to ensure compliance with the physical performance requirements of specific application scenarios.
  • In industrial sealing or hydraulic systems, the chemical compatibility of COP directly affects its service life. When purchasing, suppliers can be requested to provide test data of relevant materials as a reference.
  • When selecting a COP supplier, it is recommended to comprehensively evaluate product compatibility, business qualifications, enterprise activity, industry performance, and platform statistical information to reduce procurement risks.
  • COP films of different thicknesses are suitable for electronic component protection or optical coating fields. Before procurement, it is necessary to clarify the specifications and compatibility with the end application.
  • For special industries such as medical devices or food packaging, it is necessary to verify whether the supplier has corresponding industry data support and pay attention to the compliance certification documents of COP raw materials.

Knowledge Base

Q

This article analyzes the reasonable range of refrigeration COP, explores the key factors affecting efficiency, and provides selection suggestions to help readers balance performance and energy consumption.

Q

This article analyzes the characteristics, application areas, and advantages of COP materials in industry, helping readers to fully understand the unique value of this high-performance plastic.

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