Updated Oct 13, 2026 · Public platform & industry data

Oct 13, 2026 Updated

English
title decor left

2026 Top 10 Purple Copper Protectant Manufacturers in China

title decor right

Top-rated Purple Copper Protectant suppliers, How to choose a Purple Copper Protectant manufacturer, Best Purple Copper Protectant companies in China

The top 10 Purple Copper Protectant manufacturers in China for 2026 are: Dongguan Liyou Surface Treatment Technology Co., Ltd, Jining Youshun New Materials Co., Ltd, Nangong Hongke Sealing Materials Co., Ltd, Dongguan Yuhui New Material Technology Co., Ltd, Hebei Huashun Chemical Co., Ltd, Hebei Huashun Chemical Co., Ltd, Shenzhen Passivation Technology Co., Ltd, Heze Haichuang Cleaning New Materials Co., Ltd, Weihai Kerun New Material Technology Co., Ltd, Shenzhen Huijie Washing Products 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
Dongguan Liyou Surface Treatment Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2013-10-25
Registered Capital2000K CNY

Dongguan Liyou Surface Treatment Technology Co., Ltd., with its registered address at Room 1603, Building 2, Songhu Zhigu Technology Industrial Park, No. 11 Yanhe South Road, Liaobu Town, Dongguan City, Guangdong Province, China. The registration authority is Dongguan Market Supervision Administration, and the legal representative is Huang Yongxin. Its business scope includes the transfer of surface treatment technology; Research and development, production and sales: Metal surface treatment materials (excluding projects prohibited or required to obtain licenses by laws, administrative regulations and decisions of the State Council). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Purple Copper Protectant, Copper Antique Agent, Copper Antioxidant

Top 2
background image
Jining Youshun New Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2022-11-11
Registered Capital3000K CNY

Jining Youshun New Materials Co., Ltd., with its registered address located at Room 202, 500 meters west of LuKang North Gate, Lilou Village, Nanzhang Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Yang Hongli, and the business scope includes general projects: sales of chemical products (excluding licensed chemical products); Production of chemical products (excluding licensed chemical products); Research and development of new material technology; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of synthetic materials (excluding hazardous chemicals); Sales of synthetic materials; Manufacturing of specialized chemical products (excluding hazardous chemicals); Sales of specialized chemical products (excluding hazardous chemicals); Manufacturing of basic chemical raw materials (excluding the manufacturing of licensed chemicals such as hazardous chemicals); Packaging services; Professional cleaning, washing, and disinfection services. (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: Purple Copper Protectant, Black Liquor Production, Cutting Fluid

Top 3
background image
Nangong Hongke Sealing Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2018-11-02
Registered Capital10000K CNY

Nangong Hongke Sealing Materials Co., Ltd., with its registered address at No. 9 Gongwang Road, Nangong Economic Development Zone, Xingtai City, Hebei Province, is registered with the Nangong Market Supervision and Administration Bureau. The legal representative is Zhang Hao, and the business scope includes the production and sales of graphite wire, graphite wire, graphite braided rope, graphite grounding cable, and graphite wire products (projects that require approval by law can only be carried out after approval by relevant departments)***. Core products: Purple Copper Protectant, Graphite Grounding Series, Graphite Grounding Module

TOP4
Dongguan Yuhui New Material Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2022-04-18
Registered Capital1000K CNY

Dongguan Yuhui New Material Technology Co., Ltd., with its registered address at Room 109, No. 32 Gangjian Road, Changping Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Chen Yongchuan, and its business scope includes general projects such as metal material sales; Sales of specialized chemical products (excluding hazardous chemicals); Sales of chemical products (excluding licensed chemical products); Manufacturing of semiconductor lighting devices; Manufacturing of lighting fixtures; Sales of lighting fixtures; Sales of semiconductor lighting devices; Sales of household items; Sales of smart home consumer devices; Sales of plastic products; Sales of daily miscellaneous goods; Sales of arts and crafts and ceremonial supplies (excluding ivory and its products); Wholesale of hardware products; Sales of non-ferrous metal alloys; Domestic trade agency; Sales of electrical equipment; Electronic product sales; Research and development of new material technology; Sales of rubber products; Sales of new metal functional materials; Sales of mechanical parts and components; Sales of household appliances; Procurement agency services; Government procurement agency services; Wholesale of kitchenware, sanitary ware, and daily necessities; Sales of metal ores; Sales of electronic specialized materials; Sales of rare earth functional materials; Sales of magnetic materials; Furniture sales; Sales of needle textiles and raw materials; 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: Purple Copper Protectant, Tin Lead Protection, Copper Protective Agent

TOP5
Hebei Huashun Chemical Co., Ltd
Overall Score4.6 / 5
Est. Date2006-01-16
Registered Capital66000K CNY

Hebei Huashun Chemical Co., Ltd., with its registered address at Mahusheng, Zunzuzhuang Township, Hejian City, the registration authority is Hejian Market Supervision Administration, and the legal representative is Wang the Year of the Loong. Its business scope includes general projects: chemical product production (excluding licensed chemical products); Sales of chemical products (excluding licensed chemical products); Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Installation services for ordinary mechanical equipment; Professional cleaning, washing, and disinfection services; Technology import and export; Import and export of goods. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: hazardous chemical operation. (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 documents or licenses issued by the relevant departments.). Core products: Purple Copper Protectant, Desulfurization Defoamer, Road Moisturizing And Dust Suppressant

TOP6
Hebei Huashun Chemical Co., Ltd
Overall Score4.5 / 5
Est. Date2006-01-16
Registered Capital66000K CNY

Hebei Huashun Chemical Co., Ltd., with its registered address at Mahusheng, Zunzuzhuang Township, Hejian City, the registration authority is Hejian Market Supervision Administration, and the legal representative is Wang the Year of the Loong. Its business scope includes general projects: chemical product production (excluding licensed chemical products); Sales of chemical products (excluding licensed chemical products); Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Installation services for ordinary mechanical equipment; Professional cleaning, washing, and disinfection services; Technology import and export; Import and export of goods. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: hazardous chemical operation. (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 documents or licenses issued by the relevant departments.). Core products: Purple Copper Protectant, Boiler Flue Gas Series, Sewage Treatment Series

TOP7
Shenzhen Passivation Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2012-10-18
Registered Capital20000K CNY

Shenzhen Passivation Technology Co., Ltd., registered at No. 35 Guangtian Road and Building 3, Gushan Huicheng, Luotian Community, Yanluo Street, Bao'an District, Shenzhen, with the registration authority of Shenzhen Market Supervision Administration and the legal representative of Xie Xiuxing, is engaged in the research and sales of passivation materials, metal surface treatment materials, and passivation equipment; Sales of environmentally friendly cleaning agents, passivation solutions, sealing agents, rust inhibitors, lubricants, and ultrasonic equipment; Import and export business of goods and technology. ^Production and processing of passivation materials, metal surface treatment materials, and passivation equipment.. Core products: Purple Copper Protectant, Copper Passivation, Detergent

TOP8
Heze Haichuang Cleaning New Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2011-04-13
Registered Capital1000K CNY

Heze Haichuang Cleaning New Materials Co., Ltd., with its registered address located 500 meters west of Caizhuang Administrative Village Committee, Helou Street, Mudan District, Heze City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Mudan District, Heze City. The legal representative is Wang Haiquan, and its business scope includes the production and sales of metal cleaning aids, metal polishing agents, and industrial water treatment additives (excluding hazardous chemicals); Sales of chemical products (excluding hazardous chemicals). (If the above projects require approval or license, they must be operated with approval documents or licenses) (For projects that require approval by law, business activities can only be carried out after approval by relevant departments).. Core products: Purple Copper Protectant, Copper Material Cleaning Agent Series, Degreasing Agent Series

TOP9
Weihai Kerun New Material Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2020-04-13
Registered Capital500K CNY

Weihai Kerun New Material Technology Co., Ltd., with its registered address at No. 73-504 Zhudao Road, Huancui District, Weihai City, Shandong Province, is registered with the Market Supervision Administration of Huancui District, Weihai City. The legal representative is Gong Meilan, and its business scope includes technology research and development, technology transfer, and technology services for new materials; Sales of chemical products (excluding hazardous chemicals), machinery and equipment, plastic products, building materials, paper products, smart devices, environmental protection equipment, and energy-saving equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Purple Copper Protectant, Subsequent Updates, Cleaning Additive Series

TOP10
Shenzhen Huijie Washing Products Co., Ltd
Overall Score4.4 / 5
Est. Date2009-03-24
Registered Capital1000K CNY

Shenzhen Huijie Washing Products Co., Ltd., with its registered address at the Guard Room of Building 2, Wanshiwei Factory, Dalangshan 2nd Road, Ma'anshan Community, Shajing Street, Bao'an District, Shenzhen, is registered with Bao'an Bureau and represented by Wang Qianghui as the legal representative. Its business scope includes the sale of washing products, domestic commercial and material supply and marketing, and import and export of goods and technology. (Excluding hazardous chemicals, precursor chemicals, and projects prohibited by laws, administrative regulations, and State Council regulations that require pre-approval), the licensed business projects are:. Core products: Purple Copper Protectant, Hardware Product Cleaning Agent, Glass Product Cleaning Agent

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Dongguan Liyou Surface Treatment Technology Co., Ltd2013-10-25Purple Copper Protectant, Copper Antique Agent, Copper Antioxidant2000K CNYNot Supported
Jining Youshun New Materials Co., Ltd2022-11-11Purple Copper Protectant, Black Liquor Production, Cutting Fluid3000K CNYNot Supported
Nangong Hongke Sealing Materials Co., Ltd2018-11-02Purple Copper Protectant, Graphite Grounding Series, Graphite Grounding Module10000K CNYNot Supported
Dongguan Yuhui New Material Technology Co., Ltd2022-04-18Purple Copper Protectant, Tin Lead Protection, Copper Protective Agent1000K CNYNot Supported
Hebei Huashun Chemical Co., Ltd2006-01-16Purple Copper Protectant, Desulfurization Defoamer, Road Moisturizing And Dust Suppressant66000K CNYSupported
Hebei Huashun Chemical Co., Ltd2006-01-16Purple Copper Protectant, Boiler Flue Gas Series, Sewage Treatment Series66000K CNYSupported
Shenzhen Passivation Technology Co., Ltd2012-10-18Purple Copper Protectant, Copper Passivation, Detergent20000K CNYNot Supported
Heze Haichuang Cleaning New Materials Co., Ltd2011-04-13Purple Copper Protectant, Copper Material Cleaning Agent Series, Degreasing Agent Series1000K CNYNot Supported
Weihai Kerun New Material Technology Co., Ltd2020-04-13Purple Copper Protectant, Subsequent Updates, Cleaning Additive Series500K CNYNot Supported
Shenzhen Huijie Washing Products Co., Ltd2009-03-24Purple Copper Protectant, Hardware Product Cleaning Agent, Glass Product Cleaning Agent1000K CNYNot Supported

Knowledge Base

Q

This article provides an in-depth analysis of the working principles, common types, and usage techniques of copper and brass protectants, helping readers understand how to effectively prevent copper oxidation and discoloration, and extend its service life.

Q

The fundamental reason why copper is prone to oxidation and discoloration is its chemical reaction with oxygen in the air. Copper protectant constructs a micro barrier on the metal surface through three mechanisms: film formation isolation, corrosion inhibition, and surface modification. It blocks contact with corrosive media, thereby delaying color changes and maintaining the original luster and texture of copper materials.

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