Updated Aug 20, 2026 · Public platform & industry data

Aug 20, 2026 Updated

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2026 Top 10 Protective Cover Manufacturers in China

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

The top 10 Protective Cover manufacturers in China for 2026 are: Hebei Keyao Rubber and Plastic Technology Co., Ltd, Zaoqiang County Jinda Fiberglass Co., Ltd, Henan Nuoeda Intelligent Technology Co., Ltd, Changzhou Jierui Automotive Parts Co., Ltd, Zaoqiang Yongzheng Environmental Protection Equipment Co., Ltd, Beijing Fangyuan Tianyi Organic Glass Co., Ltd, Langfang Yueteng Energy saving Technology Co., Ltd, Renqiu Huaheng Aluminum Industry Co., Ltd, Qingyun Huade Machine Tool Auxiliary Machinery Manufacturing Co., Ltd, Chengdu Zhongding Metal 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.

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Top 1
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Hebei Keyao Rubber and Plastic Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2016-03-18
Registered Capital20600K CNY

Hebei Keyao Rubber and Plastic Technology Co., Ltd. is registered at No. 106, Jingxian Rubber and Plastic Pipe Industry Base, Hengshui City, Hebei Province. The registration authority is Jingxian Market Supervision Administration, and the legal representative is Jia Runzi. The business scope includes new material technology promotion services. Production and sales of waterstops, waterstops, rubber products, sealants, closed cell foam boards, waterproof boards, geotextiles, hot-melt gaskets, grouting pipe disks, rubber strips, rubber plates, semicircle pipes, butyl tape, plastic sleeves, plastic insulation blocks, plastic spirals, plastic pads, plastic flange cards, metal products; Selling hot melt machines for water stop steel plates and rubber water stop strips; Import and export of goods or technology * * (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Protective Cover, Two Component Polysulfide Sealant, Water Stop Ring

Top 2
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Zaoqiang County Jinda Fiberglass Co., Ltd
Overall Score4.7 / 5
Est. Date2019-01-31
Registered Capital100K CNY

Zaoqiang Jinda Fiberglass Co., Ltd. is registered at No. 127 Hujiazhuang Village, Zaoqiang Town, Zaoqiang County, Hengshui City, Hebei Province. The registration authority is the Market Supervision Administration of Zaoqiang County, Hengshui City, and the legal representative is Lu Jianlong. Its business scope includes the manufacturing of fiberglass reinforced plastic products, environmental protection equipment, metal products, plastic products, pumps, valves, compressors and machinery, pipeline and equipment installation, metal processing machinery manufacturing, wholesale of mechanical equipment, hardware products and electronic products, and manufacturing of gas and energy household appliances. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Protective Cover, Frp Pipe, Fiberglass Outlet

Top 3
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Henan Nuoeda Intelligent Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2020-07-22
Registered Capital2000K CNY

Henan Nuoeda Intelligent Technology Co., Ltd., with its registered address at 2nd Floor, Building B, Dazhai Village, Qiliyuan Township, Wolong District, Nanyang City, Henan Province, China. The registration authority is Wolong Branch of Nanyang Market Supervision Administration, and the legal representative is Li Hailiang. Its business scope includes general projects such as sales of optical instruments; Sales of optical glass; Sales of Class I medical devices; Sales of Class II medical devices; Sales of electrical equipment; Mold sales; Sales of teaching models and teaching aids; Sales of specialized teaching instruments; Sales of special equipment; Sales of mechanical equipment; Sales of metal tools; Sales of electrical equipment; Sales of instruments and meters; Retail of electronic components; Sales of mechanical and electrical equipment; Sales of plastic products; Sales of lighting fixtures; Sales of household appliances; Sales of metal materials; Sales of valves and plugs; Sales of specialized equipment for environmental protection; Sales of daily necessities; Sales of maternal and child products; Clothing and apparel retail; Wholesale of clothing and apparel; Retail of shoes and hats; Wholesale of shoes and hats; Retail of pet food and supplies; Wholesale of pet food and supplies; Outdoor product sales; Sales of toys, anime, and entertainment products; Motor vehicle repair and maintenance; Retail of automotive spare parts; Retail of motorcycles and spare parts; Sales of arts and crafts and ceremonial supplies (excluding ivory and its products); Sales of amusement equipment for ordinary outdoor amusement parks; Import and export of goods; Electronic product sales; Retail of cosmetics; Sales of paper products; Technology import and export; Optical glass manufacturing; Wholesale of cosmetics; Optical instrument manufacturing (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License project: Class II medical device production (projects that require approval according to law can only be carried out after approval by relevant departments, and specific business projects are subject to the approval documents or licenses of relevant departments). Core products: Protective Cover, Zinc Selenide, Optical Prism

TOP4
Changzhou Jierui Automotive Parts Co., Ltd
Overall Score4.6 / 5
Est. Date2014-11-13
Registered Capital6000K CNY

Changzhou Jierui Automotive Parts Co., Ltd., with its registered address at Room 102, Building 10, No. 16 Luofushan Road, Luoxi Town, Xinbei District, Changzhou City. The registration authority is the Administrative Approval Bureau of Changzhou National High tech Industrial Development Zone (Xinbei District), and the legal representative is Gu Feng. Its business scope includes the manufacturing of vehicle parts; Sales of rubber and plastic products, insulation materials, metal products, and damping materials. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) General projects: wholesale of automotive spare parts; Retail of automotive spare parts; 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: Protective Cover, Pc Endurance Board, Bombardier Commander 1000 Half Speed Windshield 5Mm Thick

TOP5
Zaoqiang Yongzheng Environmental Protection Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2024-08-22
Registered Capital100K CNY

Zaoqiang Yongzheng Environmental Protection Equipment Co., Ltd., with its registered address at No.1 Chuangye South Road, Small and Medium sized Enterprise Entrepreneurship Park, Zaoqiang County, Hengshui City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City. The legal representative is Zhang Haitao, and the business scope includes general projects: manufacturing of environmental protection special equipment; Sales of specialized equipment for environmental protection; Manufacturing of glass fiber reinforced plastic products; Sales of fiberglass and related products; Sales of glass fiber reinforced plastic products; Manufacturing of high-performance fibers and composite materials; Sales of high-performance fibers and composite materials; Sales of non-metallic minerals and products; Manufacturing of power facilities and equipment; Sales of power facilities and equipment; Municipal facility management; Construction of sports facilities engineering; Maintenance of transportation facilities; Installation services for ordinary mechanical equipment; Environmental consulting 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: Protective Cover, Fiberglass Warning Ball, Cable Bracket

TOP6
Beijing Fangyuan Tianyi Organic Glass Co., Ltd
Overall Score4.5 / 5
Est. Date2006-09-29
Registered Capital500K CNY

Beijing Fangyuan Tianyi Organic Glass Co., Ltd., with its registered address at 303, 3rd Floor, No. 2 Jinguang South Street, Xilu Street, Fangshan District, Beijing, is registered with the Market Supervision and Administration Bureau of Fangshan District, Beijing, and its legal representative is Zhang Jianping. Its business scope includes the sale of organic glass panels, tubes, rods, electronic products, mechanical equipment, clothing, handicrafts, needle textiles, children's toys (excluding simulated firearms), stationery, sports equipment, building materials, hardware products, Class I medical equipment, plastic products, packaging materials, office supplies, and daily necessities; Import and export of goods, technology (excluding goods and technology prohibited by the state or subject to administrative approval), and agency import and export; Product design; Packaging services; Computer graphic design and production; Corporate image planning; Design, produce, and represent advertisements; Packaging and decoration design; Model design; Storage services. (Market entities shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after approval by relevant departments; they shall not engage in business activities prohibited or restricted by national and local industrial policies.). Core products: Protective Cover, Acrylic Laser Engraving Customization, Acrylic Wedding And Decoration Products

TOP7
Langfang Yueteng Energy saving Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2023-11-07
Registered Capital1000K CNY

Langfang Yueteng Energy saving Technology Co., Ltd., with its registered address in Liucaijian Village, Liugezhuang Town, Dacheng County, Langfang City, Hebei Province, is registered with the Market Supervision Administration of Dacheng County, Langfang City. The legal representative is Mishuoda, and its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of insulation and soundproofing materials; Sales of fireproof sealing materials; Sales of coatings (excluding hazardous chemicals); Sales of insulation materials; Sales of non-metallic minerals and products; Sales of refractory materials; Sales of sealing fillers; Sales of seals; Sales of rubber products; Sales of asbestos 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: Protective Cover, Wooden Structure Fireproof Coating, Removable Insulation Sleeve

TOP8
Renqiu Huaheng Aluminum Industry Co., Ltd
Overall Score4.5 / 5
Est. Date2015-03-23
Registered Capital10000K CNY

Renqiu Huaheng Aluminum Industry Co., Ltd., with its registered address at Beihan Village, Beihan Township, Renqiu City, Cangzhou City, Hebei Province, is registered with the Market Supervision Administration of Renqiu City. The legal representative is Zhao Yankai, and its business scope includes general projects such as non-ferrous metal rolling and processing; Manufacturing of non-ferrous metal alloys; Manufacturing and processing of doors and windows; Sales of doors and windows; Manufacturing of hardware products; Wholesale of hardware products; Retail of hardware products; Sales of building decoration materials; Manufacturing of metal cutting machine tools; Sales of metal cutting machine tools; Metal cutting processing services; Sales of metal materials (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License projects: power generation business, transmission business, power supply (distribution) business (projects that require approval according to law can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or licenses). Core products: Protective Cover, Glass Railing, Municipal Guardrail

TOP9
Qingyun Huade Machine Tool Auxiliary Machinery Manufacturing Co., Ltd
Overall Score4.3 / 5
Est. Date2010-03-16
Registered Capital3000K CNY

Qingyun Huade Machine Tool Auxiliary Machinery Manufacturing Co., Ltd., registered at No. 1 Liuhe Road, Private Entrepreneurship Park, Qingyun County, Dezhou City, Shandong Province, with the registration authority of Qingyun County Market Supervision Administration and the legal representative of Zhang Junxia, is engaged in the processing and sales of machine tool accessories, fittings, metal stamping parts, protective covers, drag chains, chip conveyors, car washing machines, steel wires, and iron wires (cold drawn); Import and export business of goods and technology. Projects that require approval by law can only be operated after approval by relevant departments.. Core products: Protective Cover, Protective Shield, Chip Conveyor

TOP10
Chengdu Zhongding Metal Products Co., Ltd
Overall Score4.3 / 5
Est. Date2010-07-28
Registered Capital11000K CNY

Chengdu Zhongding Metal Products Co., Ltd., with its registered address at No. 20, Huansi Lane, Xiaojiahe, Chengdu High tech Zone, is registered with the Market Supervision Administration of Chengdu High tech Zone, and its legal representative is Li Rong. Its business scope includes general projects: sales of metal products; Repair of metal products; Manufacturing of metal chains and other metal products [branch operation]; Research and development of metal products; Industrial engineering design services; Sales of metal structures; Metal structure manufacturing [branch operation]; Research and development of new material technology; Loading and unloading handling; Sales of plastic products; Plastic product manufacturing [branch operation]; Manufacturing of glass fiber reinforced plastic products [branch operation]; Sales of glass fiber reinforced plastic products; Sales of metal based composite materials and ceramic based composite materials; Manufacturing of high-performance fibers and composite materials [branch operation]; Intelligent basic manufacturing equipment manufacturing [branch operation]; Sales of intelligent basic manufacturing equipment; Sales of high-performance fibers and composite materials; Sales of non-metallic minerals and products; Manufacturing of mechanical and electrical equipment [branch operation]; Sales of instruments and meters; Installation services for ordinary mechanical equipment; Sales of labor protection equipment; Retail of hardware products; Sales of building materials; Sales of supply instruments and meters; Retail of medical masks; Sales of specialized teaching instruments; Operation of wires and cables; Retail of computer software, hardware, and auxiliary equipment; Electronic product sales; Sales of valves and plugs; Sales of pumps and vacuum equipment; Sales of daily necessities; Furniture sales. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Design of building intelligent system; Construction project construction; Professional construction work. (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: Protective Cover, Fiberglass Gas Meter Box, Blow-Molded Tray

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Keyao Rubber and Plastic Technology Co., Ltd2016-03-18Protective Cover, Two Component Polysulfide Sealant, Water Stop Ring20600K CNYNot Supported
Zaoqiang County Jinda Fiberglass Co., Ltd2019-01-31Protective Cover, Frp Pipe, Fiberglass Outlet100K CNYSupported
Henan Nuoeda Intelligent Technology Co., Ltd2020-07-22Protective Cover, Zinc Selenide, Optical Prism2000K CNYSupported
Changzhou Jierui Automotive Parts Co., Ltd2014-11-13Protective Cover, Pc Endurance Board, Bombardier Commander 1000 Half Speed Windshield 5Mm Thick6000K CNYSupported
Zaoqiang Yongzheng Environmental Protection Equipment Co., Ltd2024-08-22Protective Cover, Fiberglass Warning Ball, Cable Bracket100K CNYSupported
Beijing Fangyuan Tianyi Organic Glass Co., Ltd2006-09-29Protective Cover, Acrylic Laser Engraving Customization, Acrylic Wedding And Decoration Products500K CNYSupported
Langfang Yueteng Energy saving Technology Co., Ltd2023-11-07Protective Cover, Wooden Structure Fireproof Coating, Removable Insulation Sleeve1000K CNYSupported
Renqiu Huaheng Aluminum Industry Co., Ltd2015-03-23Protective Cover, Glass Railing, Municipal Guardrail10000K CNYSupported
Qingyun Huade Machine Tool Auxiliary Machinery Manufacturing Co., Ltd2010-03-16Protective Cover, Protective Shield, Chip Conveyor3000K CNYSupported
Chengdu Zhongding Metal Products Co., Ltd2010-07-28Protective Cover, Fiberglass Gas Meter Box, Blow-Molded Tray11000K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of protective covers, it is recommended to prioritize confirming key technical parameters such as protection level and material weather resistance. For example, impact resistance should be considered in industrial scenarios, and UV protection should be emphasized in outdoor applications.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. Such suppliers can usually provide more stable protective cover supply solutions.
  • There are significant differences in the specifications required for protective covers in different application scenarios. For example, mechanical equipment protection needs to be adapted to the installation size, while laboratory equipment may focus more on transparency and dust resistance.
  • When evaluating protective cover suppliers, it is recommended to compare them horizontally based on specific industry needs. For example, in the automotive manufacturing industry, attention can be paid to the actual application cases and data feedback of suppliers in similar projects.

Knowledge Base

Q

This article introduces the categories and functions of gas switch protective covers, as well as how to correctly select and use gas switch protective covers.

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