Updated Oct 13, 2026 · Public platform & industry data

Oct 13, 2026 Updated

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2026 Top 10 Electric Prefabricated Cover Plate Manufacturers in China

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Top-rated Electric Prefabricated Cover Plate suppliers, How to choose a Electric Prefabricated Cover Plate manufacturer, Best Electric Prefabricated Cover Plate companies in China

The top 10 Electric Prefabricated Cover Plate manufacturers in China for 2026 are: Hebei Bangzhu Building Materials Co., Ltd, Shandong Guoyu New Materials Co., Ltd, Anping County Lingguan Metal Wire Mesh Products Co., Ltd, Hebei Wohui Environmental Protection Equipment Co., Ltd, Zibo Hengyue Road Facilities Maintenance Co., Ltd, Shandong Baogai New Material Technology Co., Ltd, Shaanxi Konafei Pipe Industry Co., Ltd, Nanjing Yingshanhong New Building Materials Co., Ltd, Xinjiang Mingbo Composite Materials Co., Ltd, Hebei Dingxiang Fiberglass 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 Bangzhu Building Materials Co., Ltd
Overall Score4.9 / 5
Est. Date2021-05-24
Registered Capital3000K CNY

Hebei Bangzhu Building Materials Co., Ltd. is registered in Bailing Village, Dongfushan Township, Xushui District, Baoding City, Hebei Province. The registration authority is Xushui District Market Supervision Administration, and the legal representative is Wang Jing. Its business scope includes the manufacturing of cement products (excluding commercial concrete). Manufacturing of concrete structural components and asbestos cement products; Manufacturing of lightweight building materials; Wholesale and retail of ductile iron manhole covers, grates, building materials (excluding hazardous chemicals), and metal products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)**. Core products: Electric Prefabricated Cover Plate, Ecological Framework, Manhole Cover Plate

Top 2
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Shandong Guoyu New Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2022-04-15
Registered Capital3000K CNY

Shandong Guoyu New Materials Co., Ltd., with its registered address located 300 meters north of Sijiaofang Village Committee, Fengshui Town, Zibo Economic Development Zone, Zibo City, Shandong Province, is registered with the Zibo Economic Development Zone Market Supervision and Administration Bureau. The legal representative is Xu Aifeng, and the business scope includes general projects such as new material technology promotion services; Sales of new metal functional materials; Production of refractory materials; Sales of ecological environment materials; Sales of engineering plastics and synthetic resins; Manufacturing of plastic products; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of graphite and carbon products; Sales of metal materials; Sales of rubber products; Sales of synthetic materials; Import and export of goods; Sales of building materials; Sales of plastic products; Sales of new catalytic materials and additives; Sales of new membrane materials; Sales of building decoration materials; Research and development of new material technology; Manufacturing of glass fiber reinforced plastic 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: Electric Prefabricated Cover Plate, Resin Manhole Cover, Cable Trench Cover

Top 3
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Anping County Lingguan Metal Wire Mesh Products Co., Ltd
Overall Score4.7 / 5
Est. Date2014-07-17
Registered Capital5008K CNY

Anping County Lingguan Metal Wire Mesh Products Co., Ltd., with its registered address at No. 312 Yantuan Village, Anping Town, Anping County, Hengshui City, Hebei Province, is registered with the Anping County Market Supervision and Administration Bureau of Hengshui City. The legal representative is Zhao Yaqing, and its business scope includes the production and sales of steel grating, steel grating, grating, fiberglass grating, steel plate mesh, punched mesh, fence, protective mesh, windproof and dust suppression mesh, gabion mesh, guardrail mesh, welded mesh, mesh sheet, nylon mesh, plastic mesh, barbed wire, stainless steel mesh, hooked mesh, geogrid, wire mesh products and import and export business. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Electric Prefabricated Cover Plate, Zinc Steel Fence Guardrail, Spherical Pillar

TOP4
Hebei Wohui Environmental Protection Equipment Co., Ltd

400 meters south east of the intersection of Zhonghua East Street and Donghuan North Road in Zaoqiang County, Hengshui City, Hebei Province

Overall Score4.6 / 5
Est. Date2023-02-07
Registered Capital100K CNY

Hebei Wohui Environmental Protection Equipment Co., Ltd., located 400 meters south of the intersection of Zhonghua East Street and Donghuan North Road in Zaoqiang County, Hengshui City, Hebei Province, was established on February 7, 2023. The registration authority is the Market Supervision Administration of Zaoqiang County, Hengshui City, and the legal representative is Zheng Hongqin. Core products: Electric Prefabricated Cover Plate, Cable Trench Cover, Support

TOP5
Zibo Hengyue Road Facilities Maintenance Co., Ltd
Overall Score4.6 / 5
Est. Date2005-10-13
Registered Capital2000K CNY

Zibo Hengyue Road Facilities Maintenance Co., Ltd., registered at the Carpet Factory in Huantai County, registered with the Market Supervision and Administration Bureau of Huantai County, Zibo City, with Xing Hantao as its legal representative. Its business scope includes the production, installation, and maintenance of street lamps, billboards, road facilities, and transportation facilities; Design and install fountains; Production, sales, installation, technical consultation, and technical services of composite cover plates, water grates, cable trenches, RPC cover plates, cable supports, identification plates, and molds; Sales of building materials, hardware and electrical equipment, decorative materials, electrical equipment, mechanical equipment, and chemical products (excluding hazardous chemicals); Lighting engineering, power engineering, door and window engineering; Construction labor subcontracting. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Electric Prefabricated Cover Plate, Resin Manhole Cover, Cable Trench Cover

TOP6
Shandong Baogai New Material Technology Co., Ltd
Overall Score4.5 / 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: Electric Prefabricated Cover Plate, Cable Trench Cover, Composite Cover Plate

TOP7
Shaanxi Konafei Pipe Industry Co., Ltd
Overall Score4.5 / 5
Est. Date2022-02-23
Registered Capital3000K CNY

Shaanxi Konafei Pipe Industry Co., Ltd., with its registered address located in Guochu Logistics Park Pipeline Industrial Zone, Gaojing Avenue, Yongle Town, Jinghe New City, Xixian New Area, Shaanxi Province. The registration authority is Jinghe New City Branch of the Market Supervision Administration of Xixian New Area, Shaanxi Province, and the legal representative is Hu Shuchao. Its business scope includes general projects: sales of pipeline transportation equipment; Rubber product manufacturing; Manufacturing of plastic products; Manufacturing of glass fiber reinforced plastic products; Manufacturing of synthetic materials (excluding hazardous chemicals); Manufacturing of plastic packaging boxes and containers; Sales of glass fiber reinforced plastic products; Sales of synthetic materials; Sales of rubber products; Sales of plastic products; Sales of high-quality synthetic rubber; Sales of metal packaging containers and materials; Sales of building waterproofing membrane products; Sales of steel reinforcement products for construction; Sales of building materials; Sales of building decoration materials; Retail of hardware products; Sales of metal fittings for construction; Sales of insulation materials; Sales of new metal functional materials; Operation of wires and cables; Network technology services; Internet of Things technology services; Labor services (excluding labor dispatch); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law).. Core products: Electric Prefabricated Cover Plate, Corrugated Pipe, Pe Conduit

TOP8
Nanjing Yingshanhong New Building Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2020-11-11
Registered Capital5000K CNY

Nanjing Yingshanhong New Building Materials Co., Ltd. is registered at Building 3, Zone 8, Nanjing International Small Commodity City, No. 2 Qinlu Avenue, Lukou Street, Jiangning District, Nanjing City. The registration authority is the Jiangning District Government Service Management Office of Nanjing City, and the legal representative is Zhu Yushan. The business scope includes licensed projects: road freight transportation (excluding dangerous goods) (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results). General projects: sales of building materials; Sales of concrete structural components; Sales of building decoration materials; Sales of building waterproofing membrane products; Sales of insulation materials; Sales of cement products; Wholesale of hardware products; Retail of hardware products; Manufacturing of concrete structural components; Stone processing for construction; Manufacturing of building waterproofing membrane products; Manufacturing of hardware products; Manufacturing of lightweight building materials (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law). Core products: Electric Prefabricated Cover Plate, Vegetable Gutter Board, Electric Power Cover Plate

TOP9
Xinjiang Mingbo Composite Materials Co., Ltd

No. 1-05 Qinghu Mingcheng Market, No. 350 Mengjin South Road, 25th District, Wujiaqu City, Xinjiang

Overall Score4.4 / 5
Est. Date2026-02-13
Registered Capital3000K CNY

Xinjiang Mingbo Composite Materials Co., Ltd. is located at No. 1-05 Qinghu Mingcheng Market, No. 350 Mengjin South Road, 25th District, Wujiaqu City, Xinjiang. It was established on February 13, 2026 and registered with the Market Supervision and Administration Bureau of the Sixth Division of the Xinjiang Production and Construction Corps. The legal representative is Kangyang. Core products: Electric Prefabricated Cover Plate, Sewage Treatment Equipment, Fiberglass Pump Station

TOP10
Hebei Dingxiang Fiberglass Co., Ltd
Overall Score4.4 / 5
Est. Date2018-02-06
Registered Capital3000K CNY

Hebei Dingxiang Fiberglass Co., Ltd., with its registered address in Chengjiazhou Village, Zhoucun Town, Jizhou District, Hengshui City, is registered with the Jizhou District Market Supervision and Administration Bureau. The legal representative is Cheng Chunyan, and the business scope includes general projects: manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Rubber product manufacturing; Sales of rubber products; Manufacturing of gas and liquid separation and purification equipment; Sales of gas and liquid separation and purification equipment; Fan and fan manufacturing; Sales of fans and blowers; Manufacturing of metal structures; Sales of metal structures; Black metal casting; Manufacturing of hardware products; Wholesale of hardware products; Manufacturing of plastic products; Sales of plastic products; Manufacturing of metal wire ropes and their products; Sales of metal wire ropes and their products; Sales of anti-corrosion materials; Sales of insulation materials; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Sales of cement products; Sales of signs for transportation and public management; Sales of power facilities and equipment; Sales of industrial textile products; Installation services for ordinary mechanical equipment; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed project: construction project construction. (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: Electric Prefabricated Cover Plate, Galvanized Steel Grating, Grille

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Bangzhu Building Materials Co., Ltd2021-05-24Electric Prefabricated Cover Plate, Ecological Framework, Manhole Cover Plate3000K CNYSupported
Shandong Guoyu New Materials Co., Ltd2022-04-15Electric Prefabricated Cover Plate, Resin Manhole Cover, Cable Trench Cover3000K CNYSupported
Anping County Lingguan Metal Wire Mesh Products Co., Ltd2014-07-17Electric Prefabricated Cover Plate, Zinc Steel Fence Guardrail, Spherical Pillar5008K CNYSupported
Hebei Wohui Environmental Protection Equipment Co., Ltd2023-02-07Electric Prefabricated Cover Plate, Cable Trench Cover, Support100K CNYNot Supported
Zibo Hengyue Road Facilities Maintenance Co., Ltd2005-10-13Electric Prefabricated Cover Plate, Resin Manhole Cover, Cable Trench Cover2000K CNYSupported
Shandong Baogai New Material Technology Co., Ltd2009-01-22Electric Prefabricated Cover Plate, Cable Trench Cover, Composite Cover Plate43400K CNYSupported
Shaanxi Konafei Pipe Industry Co., Ltd2022-02-23Electric Prefabricated Cover Plate, Corrugated Pipe, Pe Conduit3000K CNYNot Supported
Nanjing Yingshanhong New Building Materials Co., Ltd2020-11-11Electric Prefabricated Cover Plate, Vegetable Gutter Board, Electric Power Cover Plate5000K CNYNot Supported
Xinjiang Mingbo Composite Materials Co., Ltd2026-02-13Electric Prefabricated Cover Plate, Sewage Treatment Equipment, Fiberglass Pump Station3000K CNYNot Supported
Hebei Dingxiang Fiberglass Co., Ltd2018-02-06Electric Prefabricated Cover Plate, Galvanized Steel Grating, Grille3000K CNYSupported

Purchasing Guide

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

  • When selecting prefabricated power cover plates, it is recommended to prioritize checking key technical parameters such as load rating, dimensional tolerances, and corrosion resistance to ensure that they match the load-bearing and protection requirements of actual application scenarios such as substations and cable trenches.
  • When selecting suppliers, reference can be made to indicators such as product compatibility, business qualifications, enterprise activity, industry performance, and industry data support. Such enterprises can usually provide more stable supply of prefabricated cover plates and engineering adaptation solutions.
  • For different scenarios such as underground pipe galleries or outdoor power distribution facilities, attention should be paid to the anti slip design of the cover plate, ventilation hole configuration, and other details to avoid long-term use effects affected by environmental differences.
  • Prefabricated power cover plates are commonly used in power grid infrastructure projects. When purchasing, the actual performance of the product in complex environments can be evaluated based on the supplier's past municipal or power industry project cases.

Knowledge Base

Q

This article provides a detailed analysis of the characteristics, selection points, and construction precautions of prefabricated cover plates for power wells, helping readers to fully understand their importance and application methods in power facilities.

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Baidu AiGou has found pictures of prefabricated power cover plates in different categories for you to experience the diversity and uniqueness of prefabricated power cover plates. At the same time, we also recommend high-quality prefabricated power cover products for you, so that you can easily and quickly find the most suitable prefabricated power cover when purchasing.

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