Updated Sep 2, 2026 · Public platform & industry data

Sep 2, 2026 Updated

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2026 Top 10 Composite Material Cover Plate Manufacturers in China

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

The top 10 Composite Material Cover Plate manufacturers in China for 2026 are: Hebei Weihan Environmental Protection Equipment Co., Ltd, Hebei Xinda Technology Co., Ltd, Hebei Wohan Environmental Protection Equipment Co., Ltd, Hebei Qiqiang Composite Materials Co., Ltd, Shandong Guoyu New Materials Co., Ltd, Shandong Baogai New Material Technology Co., Ltd, Shandong Xufeng New Material Technology Co., Ltd, Zaoqiang Haoyang Machinery Manufacturing Co., Ltd, Zaoqiang Yaojie Fiberglass Co., Ltd, Hebei Dongshenmao Environmental Protection Equipment 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 Weihan Environmental Protection Equipment Co., Ltd
Overall Score4.9 / 5
Est. Date2019-11-26
Registered Capital10000K CNY

Hebei Weihan Environmental Protection Equipment Co., Ltd., registered at Xinhe International D, Zaoqiang County, Hengshui City, Hebei Province Building 211, registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City, with Wu Junwei as the legal representative. The business scope includes processing, manufacturing, and selling environmental protection equipment, fiberglass products, purification and energy-saving equipment, sewage treatment equipment, dust removal equipment, conveyor accessories, fiberglass winding products, cooling towers and fillers, central air conditioning supporting products, rubber products, automation supporting products, molded products, pipeline products, containers, filters, anti-corrosion and insulation engineering, non-standard steel structure products, gas regulator equipment, wires and cables, optical cables, cable materials, cable fittings, cable accessories, high and low voltage cabinets, power auxiliary equipment and accessories, and engineering construction several times. The company also engages in the export business of self-produced products and technologies and the mechanical equipment required by the company. Import business of spare parts, raw materials and technologies, Except for goods and technologies restricted or prohibited from import and export by the state. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Composite Material Cover Plate, Fiberglass Warning Ball, Fiberglass Duct

Top 2
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Hebei Xinda Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2020-07-06
Registered Capital10000K CNY

Hebei Xinda Technology Co., Ltd., located at No. 20 Xingyuan South Street, Small and Medium sized Enterprise Entrepreneurship Park, Zaoqiang Town, Zaoqiang County, Hengshui City, Hebei Province, was established on July 6, 2020. The registration authority is the Market Supervision Administration of Zaoqiang County, Hengshui City, and the legal representative is Ma Xuezhu. Core products: Composite Material Cover Plate, Fiberglass Profiles, Fiberglass Cable Tray

Top 3
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Hebei Wohan Environmental Protection Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2017-08-21
Registered Capital3000K CNY

Hebei Wohan Environmental Protection Equipment Co., Ltd. is registered in Houchenzhuang Village, Wangjun Township, Zaoqiang County, Hengshui City, Hebei Province. The registration authority is the Administration for Industry and Commerce of Zaoqiang County, Hengshui City, and the legal representative is Chen Bing. The company's business scope includes processing, manufacturing, and selling environmental protection equipment, fiberglass products, purification and energy-saving equipment, sewage treatment equipment, dust removal equipment, conveyor accessories, fiberglass winding products, cooling towers and fillers, central air conditioning terminal supporting products, rubber products, automation supporting products, molded products, pipeline products, containers, filters, anti-corrosion and insulation engineering, non-standard steel structure products, gas regulator equipment, wire and cable, optical cable, cable materials, cable fittings, cable accessories, high and low voltage cabinets, power auxiliary equipment. And accessories, engineering construction and installation, To engage in the export business of self-produced products and technologies of our enterprise, as well as the import business of mechanical equipment, spare parts, raw materials and technologies required by our enterprise, except for goods and technologies restricted or prohibited from import and export by the state. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Composite Material Cover Plate, Frp Pipe, Fiberglass Resin Manhole Cover

TOP4
Hebei Qiqiang Composite Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2023-03-13
Registered Capital3000K CNY

Hebei Qiqiang Composite Materials Co., Ltd., with its registered address at No. 101 Hengda Road, Xiaozhang Town, Zaoqiang County, Hengshui City, Hebei Province, is registered with the Market Supervision Administration of Zaoqiang County, Hengshui City. The legal representative is Song Ruru, and the business scope includes general projects: manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Sales of fiberglass and related products; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Sales of plastic products; Manufacturing of plastic products; Rubber product manufacturing; Sales of rubber products; Manufacturing of metal structures; Sales of metal structures; Sales of metal products; Mechanical parts and component processing; Sales of mechanical parts and components; Manufacturing of metal signs for transportation and public management; Manufacturing of specialized equipment for traffic safety and control; Sales of signs for transportation and public management; General equipment manufacturing (excluding special equipment manufacturing); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of mechanical equipment; General equipment repair; Specialized equipment repair; Repair of metal products; Maintenance of transportation facilities; Installation services for environmental sanitation public facilities; Installation services for ordinary mechanical equipment; 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: Composite Material Cover Plate, Fiberglass Sound Barrier, Frp Cable Tray

TOP5
Shandong Guoyu New Materials Co., Ltd
Overall Score4.6 / 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: Composite Material 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: Composite Material Cover Plate, Square Manhole Cover, Cable Trench Cover

TOP7
Shandong Xufeng New Material Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2021-06-28
Registered Capital6000K CNY

Shandong Xufeng New Material Technology Co., Ltd., with its registered address located in the east courtyard of Sijiaofang Village Committee, Fengshui Town, Zibo Economic Development Zone, Zibo City, Shandong Province, China. The registration authority is the Market Supervision and Administration Bureau of Zibo Economic Development Zone, and the legal representative is Huang Jiashui. Its business scope includes general projects such as research and development of new material technology; Promotion services for new material technology; Sales of new metal functional materials; Manufacturing of power facilities and equipment; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Sales of power facilities and equipment; Sales of cement products; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of plastic products; Sales of plastic products; Sales of building materials; Sales of lightweight building materials; Engineering and technical research and experimental development; Research and development of hardware products; Wholesale of hardware products; Retail of hardware products; Sales of metal materials; Sales of rubber products; Sales of synthetic materials; Research and development of emerging energy technologies; Sales of specialized chemical products (excluding hazardous chemicals); Sales of sealing fillers; Sales of chemical products (excluding licensed chemical products); Research and development of electronic specialized materials; Sales of building decoration materials; Manufacturing of household textile products; Import and export of goods. (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: Composite Material Cover Plate, Cable Trench Cover, Composite Manhole Cover

TOP8
Zaoqiang Haoyang Machinery Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2020-01-07
Registered Capital1000K CNY

Zaoqiang Haoyang Machinery Manufacturing Co., Ltd., with its registered address located on the west side of Wuguan Road, Matun Town, Zaoqiang County, Hengshui City, Hebei Province, is registered with the Market Supervision Administration of Zaoqiang County, Hengshui City. The legal representative is Zhang Yujie, and the business scope includes general projects such as metal cutting and welding equipment manufacturing; Sales of metal cutting and welding equipment; Manufacturing of plastic products; Sales of plastic products; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Manufacturing of metal structures; Sales of metal structures; Sales of communication equipment. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Road freight transportation (excluding dangerous goods). (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: Composite Material Cover Plate, Frp Pipe, Cable Tray

TOP9
Zaoqiang Yaojie Fiberglass Co., Ltd
Overall Score4.3 / 5
Est. Date2019-07-03
Registered Capital880K CNY

Zaoqiang Yaojie Fiberglass Co., Ltd. is located in Nanguozhuang Village, Zaoqiang Town, Zaoqiang County, Hengshui City, Hebei Province. The registered authority is the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City, and the legal representative is Yao Yan. Its business scope includes processing, manufacturing, installation, and sales of fiberglass products, environmental purification equipment, environmental acid mist treatment equipment, environmental desulfurization and denitrification equipment, environmental electrostatic precipitator (dry and wet) equipment, cable tray equipment, cooling towers, fans, water pipelines, fiberglass containers, water tanks, cable storage channels, central air conditioning, purification air conditioning, molded boxes, molded cable trays, warning signs, labels, signs, railway fiberglass equipment, highway power communication signal fiberglass equipment, molded manhole covers, cover plates, molded cable trays. Septic tank, To engage in the export business of self-produced products and technologies of our enterprise, as well as the import and export business of mechanical equipment, spare parts, raw and auxiliary materials, and technologies required by our enterprise, except for goods and technologies restricted or prohibited from import and export by the state. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Composite Material Cover Plate, Glass Steel Cooling Tower, Fiberglass Drainage Ditch

TOP10
Hebei Dongshenmao Environmental Protection Equipment Co., Ltd
Overall Score4.3 / 5
Est. Date2020-11-17
Registered Capital3600K CNY

Hebei Dongshenmao Environmental Protection Equipment Co., Ltd., with its registered address at Fuqiang North Road, Economic Development Zone, Zaoqiang County, Hengshui City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City. The legal representative is Li Xinhua, 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 glass fiber reinforced plastic products; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of specialized machinery for the production of building materials; Sales of cement products; Sales of metal structures; Electronic product sales; Sales of mechanical equipment; General equipment repair; Retail of hardware products; Sales of valves and plugs; Sales of specialized equipment for refining and chemical production; Sales of power facilities and equipment; Manufacturing of metal structures; Sales of special equipment; Operation of wires and cables; Sales of rubber products; Sales of instruments and meters; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Rubber product manufacturing; Manufacturing of plastic products; Sales of plastic products; Sales of anti-corrosion materials; Sales of metal products; Sales of coal-fired flue gas desulfurization and denitrification equipment; Sales of non-metallic minerals and products; Manufacturing of specialized equipment for traffic safety and control; Gift and flower sales; Sales of lubricating oil; Engineering and technical services (excluding planning management, survey, design, and supervision); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of building materials; Stone processing for construction; Manufacturing of coal-fired flue gas desulfurization and denitrification equipment; Installation services for environmental sanitation public facilities; Installation services for ordinary mechanical equipment; Import and export of goods. (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: Composite Material Cover Plate, Frp Pipe Fittings, Hand Hole Well

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Weihan Environmental Protection Equipment Co., Ltd2019-11-26Composite Material Cover Plate, Fiberglass Warning Ball, Fiberglass Duct10000K CNYSupported
Hebei Xinda Technology Co., Ltd2020-07-06Composite Material Cover Plate, Fiberglass Profiles, Fiberglass Cable Tray10000K CNYNot Supported
Hebei Wohan Environmental Protection Equipment Co., Ltd2017-08-21Composite Material Cover Plate, Frp Pipe, Fiberglass Resin Manhole Cover3000K CNYSupported
Hebei Qiqiang Composite Materials Co., Ltd2023-03-13Composite Material Cover Plate, Fiberglass Sound Barrier, Frp Cable Tray 3000K CNYSupported
Shandong Guoyu New Materials Co., Ltd2022-04-15Composite Material Cover Plate, Resin Manhole Cover, Cable Trench Cover3000K CNYSupported
Shandong Baogai New Material Technology Co., Ltd2009-01-22Composite Material Cover Plate, Square Manhole Cover, Cable Trench Cover43400K CNYSupported
Shandong Xufeng New Material Technology Co., Ltd2021-06-28Composite Material Cover Plate, Cable Trench Cover, Composite Manhole Cover6000K CNYNot Supported
Zaoqiang Haoyang Machinery Manufacturing Co., Ltd2020-01-07Composite Material Cover Plate, Frp Pipe, Cable Tray 1000K CNYSupported
Zaoqiang Yaojie Fiberglass Co., Ltd2019-07-03Composite Material Cover Plate, Glass Steel Cooling Tower, Fiberglass Drainage Ditch880K CNYSupported
Hebei Dongshenmao Environmental Protection Equipment Co., Ltd2020-11-17Composite Material Cover Plate, Frp Pipe Fittings, Hand Hole Well3600K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of composite cover plates, it is recommended to prioritize confirming key technical parameters such as load-bearing grade, corrosion resistance, and dimensional tolerances to meet the load requirements of different scenarios such as municipal engineering or industrial equipment.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. These suppliers are more reliable in providing cover solutions for transportation infrastructure or sewage treatment scenarios.
  • In special environments such as power facilities or underground pipe racks, attention should be paid to the insulation performance and anti-aging indicators of composite cover plates to avoid the increase of later maintenance costs due to substandard materials.
  • Different application scenarios, such as chemical plants or coastal areas, may have differentiated requirements for the acid and alkali resistance or salt spray resistance of the cover plate. When purchasing, suitable specifications should be selected based on specific environmental conditions.

Knowledge Base

Q

This article introduces the definition, composition, characteristics, and application fields of inorganic composite material cover plates, and provides detailed answers to readers' questions about inorganic composite material cover plates, which is helpful for readers who understand this field.

Q

Inorganic composite cover plates are usually composed of various inorganic materials, such as glass fiber, carbon fiber, and other high-performance inorganic fibers, combined with matrix materials such as resin. This material has excellent physical and chemical properties and is widely used in fields such as construction, aerospace, automotive, electronics, etc. This article will provide a detailed introduction to the materials, characteristics, and applications of inorganic composite cover plates.

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