Updated Oct 29, 2026 · Public platform & industry data

Oct 29, 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: Shanghai Haifei Control Equipment Co., Ltd, Hebei Gongchuang Environmental Protection Equipment Co., Ltd, Shandong Baogai New Material Technology Co., Ltd, Hebei Hongsen Environmental Protection Equipment Co., Ltd, Yishenghua Trading (Ningbo) Co., Ltd, Guangzhou Zirui Water Treatment Installation Co., Ltd, Cangzhou Anlida Pipeline Equipment Co., Ltd, Nanpi County Wencang Plastic Parts Processing Factory, Cangzhou Ruida Machine Tool Parts Manufacturing Co., Ltd, Cangzhou Shengyu Machine Tool Accessories Manufacturing 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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Region FilterRegion
Top 1
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Shanghai Haifei Control Equipment Co., Ltd
Overall Score4.9 / 5
Est. Date2011-11-02
Registered Capital5000K CNY

Shanghai Haifei Control Equipment Co., Ltd., located at Room 127, Building 1, No. 943 Lingzhi Village, Fengpu Development Zone, Fengxian District, Shanghai, was established on November 2, 2011. The registration authority is the Fengxian District Market Supervision Administration, and the legal representative is Ding Bangfu. Core products: Protective Cover

Top 2
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Hebei Gongchuang Environmental Protection Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2020-08-12
Registered Capital3000K CNY

Hebei Gongchuang Environmental Protection Equipment Co., Ltd. is registered at No. 66 Zuowuzhuang Village, Zaoqiang Town, Zaoqiang County, Hengshui City, Hebei Province. The registration authority is the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City, and the legal representative is Dong Yanfei. The business scope includes the manufacturing of fiberglass and products. Processing, manufacturing, installation, and sales of fiberglass products, double walled tanks, pipelines, cooling towers, fans, molding, extrusion, central air conditioning end products, gas regulator equipment, fire exhaust, rubber products, plastic products, and anti-corrosion and insulation engineering. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Protective Cover, Fiberglass Purlin, Arch Shaped Cover Plate For Sewage Tank

Top 3
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Shandong Baogai New Material Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2009-01-22
Registered Capital43400K CNY

Shandong Baogai New Materials Technology Co., Ltd., with its registered address at No. 9 Hezhuang New Materials Park, Zibo Economic Development Zone, Zibo City, Shandong Province, is registered with the Zibo Market Supervision Administration Bureau and represented by Liu Zhentao. Its business scope includes general projects such as research and development of new material technology; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Manufacturing of power facilities and equipment; Sales of power facilities and equipment; Research and development of efficient and energy-saving technologies in the power industry; Manufacturing of cement products; Sales of cement products; Manufacturing of concrete structural components; Sales of concrete structural components; Manufacturing of high-speed rail equipment and accessories; Sales of high-speed rail equipment and accessories; Automotive parts research and development; Manufacturing of automotive parts and accessories; Wholesale of automotive spare parts; Manufacturing of power electronic components; Sales of power electronic components; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Research and development of hardware products; Manufacturing of hardware products; Sales of metal products; Sales of metal materials; Internet sales (except for the sale of goods that need to be licensed); Mold manufacturing; Mold sales; Construction of earthwork engineering; Production of chemical products (excluding licensed chemical products); Sales of chemical products (excluding licensed chemical products); Engineering management services; 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 projects: construction engineering construction (except for nuclear power plant construction and operation, civil airport construction); Installation, maintenance, and testing of power transmission, supply, and receiving facilities. (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, Cable Trench Cover, Composite Cover Plate

TOP4
Hebei Hongsen Environmental Protection Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2021-06-04
Registered Capital3000K CNY

Hebei Hongsen Environmental Protection Equipment Co., Ltd. is located 200 meters away from Fuqiang North Road and Zhonghua East Street in Zaoqiang County, Hengshui City, Hebei Province. It was established on June 4, 2021 and registered with the Market Supervision Administration of Zaoqiang County, Hengshui City. The legal representative is Han Yaqing. Core products: Protective Cover

TOP5
Yishenghua Trading (Ningbo) Co., Ltd
Overall Score4.6 / 5
Est. Date2007-09-12
Registered Capital2900K USD

Yishenghua Trading (Ningbo) Co., Ltd., with its registered address at No. 99 Huanghai Road, Beilun District, Ningbo City, Zhejiang Province, is registered with the Market Supervision Administration of Beilun District, Ningbo City. The legal representative is Zhong Jian, and the business scope includes self operated and agency import of various commodities and technologies (the above commodities do not involve special management such as state-owned trade, import and export quota licenses, export quota bidding, export licenses, etc.); Domestic wholesale of plastics, hardware products, packaging equipment, and molds; Economic and trade consulting services (except for national restrictions); Domestic land freight forwarding agent. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Protective Cover, Cable Ties And Wiring Products, Industry Solutions

TOP6
Guangzhou Zirui Water Treatment Installation Co., Ltd
Overall Score4.5 / 5
Est. Date2016-05-19
Registered Capital500K CNY

Guangzhou Zirui Water Treatment Installation Co., Ltd., registered at Room 302, No. 1241 Liang Road, Shawan Street Market, Panyu District, Guangzhou, registered with the Market Supervision Administration of Panyu District, Guangzhou, with Qian Haihua as the legal representative. Its business scope includes outsourcing projects; Wholesale of sports goods and equipment; Retail of sports goods and equipment; Rental of sports equipment; Internet sales (except for the sale of goods that need to be licensed); Internet equipment sales; Information technology consulting services; Sales of sanitary ceramic products; Sales of enamel products; Sales of sanitary ware; Wholesale of kitchenware, sanitary ware, and daily necessities; Sales of daily necessities; Installation services for ordinary mechanical equipment; Fitness and leisure activities;. Core products: Protective Cover, Pool Chemicals, Swimming Pool Equipment

TOP7
Cangzhou Anlida Pipeline Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2018-01-29
Registered Capital5000K CNY

Cangzhou Anlida Pipeline Equipment Co., Ltd., with its registered address at A2-502, Tiantai Jiayuan, Yanshan County, is registered with the Yanshan County Market Supervision Administration. The legal representative is Yin Aihua, and its business scope includes the sale of pipelines, pipe fittings, machine tool accessories, hardware and electrical materials, plastic products, building materials, profiles, stone materials, mechanical equipment leasing, earthwork engineering, and steel structure engineering. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Protective Cover, Beam Casing Locator, Steel Pipe Plug

TOP8
Nanpi County Wencang Plastic Parts Processing Factory
Overall Score4.5 / 5
Est. Date2012-07-12
Registered Capital-

Nanpi County Wencang Plastic Parts Processing Factory, with its registered address at Wanggutou Village South, Nanpi Town, Nanpi County, Cangzhou City, Hebei Province. The registration authority is Nanpi County Market Supervision Administration, and the legal representative is Ye Wencang. Its business scope includes plastic parts, metal stamping parts processing, and machining (projects that require approval by law can only be carried out after approval by relevant departments; general business projects can be independently carried out in accordance with the law). Core products: Protective Cover, Special End Cap For Electromagnetic Pump, Wire Crimping Plate

TOP9
Cangzhou Ruida Machine Tool Parts Manufacturing Co., Ltd
Overall Score4.4 / 5
Est. Date2005-05-09
Registered Capital4000K CNY

Cangzhou Ruida Machine Tool Parts Manufacturing Co., Ltd., with its registered address located in Puwacheng Industrial Zone, Yanshan County, is registered with the Market Supervision and Administration Bureau of Yanshan County, and its legal representative is Wang Ruijun. Its business scope includes manufacturing and selling machine tool parts, rubber products, petroleum machinery parts, pipeline accessories, and pipe fittings. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Protective Cover, Protective Shield, Universal Flange Cover

TOP10
Cangzhou Shengyu Machine Tool Accessories Manufacturing Co., Ltd
Overall Score4.4 / 5
Est. Date2016-12-21
Registered Capital3000K CNY

Cangzhou Shengyu Machine Tool Accessories Manufacturing Co., Ltd., registered at Ruida Company in Puwa Development Zone, Yanshan County, with the registration authority of Yanshan County Administration for Industry and Commerce and the legal representative of Xu Guiling, is engaged in the manufacturing of machine tool accessories (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Protective Cover, Protective Shield, Plastic Pipe Cap

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Haifei Control Equipment Co., Ltd2011-11-02Protective Cover5000K CNYNot Supported
Hebei Gongchuang Environmental Protection Equipment Co., Ltd2020-08-12Protective Cover, Fiberglass Purlin, Arch Shaped Cover Plate For Sewage Tank3000K CNYNot Supported
Shandong Baogai New Material Technology Co., Ltd2009-01-22Protective Cover, Cable Trench Cover, Composite Cover Plate43400K CNYSupported
Hebei Hongsen Environmental Protection Equipment Co., Ltd2021-06-04Protective Cover3000K CNYNot Supported
Yishenghua Trading (Ningbo) Co., Ltd2007-09-12Protective Cover, Cable Ties And Wiring Products, Industry Solutions2900K USDNot Supported
Guangzhou Zirui Water Treatment Installation Co., Ltd2016-05-19Protective Cover, Pool Chemicals, Swimming Pool Equipment500K CNYNot Supported
Cangzhou Anlida Pipeline Equipment Co., Ltd2018-01-29Protective Cover, Beam Casing Locator, Steel Pipe Plug5000K CNYSupported
Nanpi County Wencang Plastic Parts Processing Factory2012-07-12Protective Cover, Special End Cap For Electromagnetic Pump, Wire Crimping Plate-Supported
Cangzhou Ruida Machine Tool Parts Manufacturing Co., Ltd2005-05-09Protective Cover, Protective Shield, Universal Flange Cover4000K CNYSupported
Cangzhou Shengyu Machine Tool Accessories Manufacturing Co., Ltd2016-12-21Protective Cover, Protective Shield, Plastic Pipe Cap3000K 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 product specifications such as dimensional tolerances, material weather resistance, and sealing grade, as these indicators directly affect their adaptability in industrial equipment or outdoor scenarios.
  • When selecting suppliers, reference can be made to product compatibility, business qualifications, enterprise activity, industry performance, and platform statistical information. For example, manufacturers who supply electronic component protective covers for a long time usually have more stable batch consistency.
  • When applying protective covers in the field of automotive components or medical devices, it is necessary to choose impact resistant or sterile materials according to the scenario, while considering the actual delivery cases of suppliers in segmented industries.
  • When purchasing protective covers, it is usually necessary to combine cost and life cycle assessment. For example, engineering plastic materials are suitable for short-term protection, while metal materials are more suitable for the long-term use needs of heavy machinery.

Knowledge Base

Q

This article provides a detailed analysis of the functions, common materials, and usage scenarios of automotive OBD protective covers, helping readers understand the practical role and key points for purchasing this automotive accessory, and avoiding the risk of interface damage or data leakage.

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