Updated Sep 8, 2026 · Public platform & industry data

Sep 8, 2026 Updated

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2026 Top 10 Finished Cover Plate Manufacturers in China

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

The top 10 Finished Cover Plate manufacturers in China for 2026 are: Zibo Xintuo Composite Materials Technology Co., Ltd, Xinjiang Mingbo Composite Materials Co., Ltd, Hebei Guanwei Fiberglass Co., Ltd, Hebei Dongshenmao Environmental Protection Equipment Co., Ltd, Zaoqiang Haoyang Machinery Manufacturing Co., Ltd, Hebei Shoujun Environmental Protection Equipment Co., Ltd, Hengshui Haoye Fiberglass Products Factory, Anping County Digu Metal Products Co., Ltd, Hebei Yangfeng Environmental Protection Equipment Co., Ltd, Hebei Wohui 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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Zibo Xintuo Composite Materials Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2014-05-08
Registered Capital2000K CNY

Zibo Xintuo Composite Materials Technology Co., Ltd., registered at No. 111 Changguo West Road, Zhangdian District, Zibo City, Shandong Province (No. 417 Luzhong Hardware and Electrical City), registered with the Market Supervision and Administration Bureau of Zibo Economic Development Zone, with legal representative Shao Yunyun. Its business scope includes research and development of glass fiber composite materials, cement composite materials, automotive composite materials, glass composite materials, and metal composite materials; Design, sales, and installation of plastic wood, composite fiber wall panels, reinforced composite flooring, composite alloys, composite glass, composite doors and windows furniture, stainless steel composite panels, composite metal ceramics, and composite plastic handicrafts; Sales of indoor and outdoor composite coatings. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Finished Cover Plate, Stainless Steel Gutter, Stainless Steel Laser Cover Plate

Top 2
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Xinjiang Mingbo Composite Materials Co., Ltd

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

Overall Score4.8 / 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: Finished Cover Plate, Fiberglass Pump Station, Frp Pipe

Top 3
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Hebei Guanwei Fiberglass Co., Ltd
Overall Score4.8 / 5
Est. Date2017-06-07
Registered Capital5000K CNY

Hebei Guanwei Fiberglass Co., Ltd. is registered in Qiliying Village, Zaoqiang Town, 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 Liu Wei. Its business scope includes processing, manufacturing, installation, and sales of fiberglass products, winding products, molded products, hand pasted products, fiberglass extruded products, pipelines, cooling towers and fillers, fire dampers, smoke exhaust valves, fans, air vents, mufflers, water tanks, purification and energy-saving equipment, sewage treatment equipment, dust removal equipment, containers, filters, ventilators, cable trays, fiberglass handicrafts, central air conditioning end products, and anti-corrosion and insulation equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Finished Cover Plate, Fiberglass Water Tank, Fiberglass Desulfurization Tower

TOP4
Hebei Dongshenmao Environmental Protection Equipment Co., Ltd
Overall Score4.7 / 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: Finished Cover Plate, Fiberglass Ventilation Duct, Sewage Tank Cover Plate

TOP5
Zaoqiang Haoyang Machinery Manufacturing Co., Ltd
Overall Score4.7 / 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: Finished Cover Plate, Frp Cable Tray , Fiberglass Grating

TOP6
Hebei Shoujun Environmental Protection Equipment Co., Ltd

No. 258 Donghuan Road, Zaoqiang County, Hengshui City, Hebei Province

Overall Score4.6 / 5
Est. Date2021-05-28
Registered Capital5000K CNY

Hebei Shoujun Environmental Protection Equipment Co., Ltd., located at No. 258 Donghuan Road, Zaoqiang County, Hengshui City, Hebei Province, was established on May 28, 2021. The registered authority is the Market Supervision Administration of Zaoqiang County, Hengshui City, and the legal representative is Yang Pan. Core products: Finished Cover Plate, Fiberglass Cover Plate, Biological Deodorization Box

TOP7
Hengshui Haoye Fiberglass Products Factory
Overall Score4.6 / 5
Est. Date2019-09-11
Registered Capital150K CNY

Hengshui Haoye Fiberglass Products Factory, 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 Huang Chiyu, and its business scope includes processing, manufacturing, and sales of fiberglass pipelines, fiberglass containers, molded products, rubber products, cooling towers, fans, central air conditioning supporting products, environmental purification and energy-saving equipment, solid waste and water treatment equipment, automation supporting products, non-standard steel structure products, and gas regulator equipment; Construction of anti-corrosion and insulation engineering; Import and export of goods or technology (excluding goods and technology prohibited by the state or subject to administrative approval). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Finished Cover Plate, Hot-Dip Galvanizing, Composite Cable Trench Cover Plate

TOP8
Anping County Digu Metal Products Co., Ltd

280 meters north of the intersection of Wei'er Road and Jingsi Road in Anping County Development Zone, Hengshui City, Hebei Province, west of the road

Overall Score4.6 / 5
Est. Date2026-04-19
Registered Capital500K CNY

Anping County Digu Metal Products Co., Ltd. is located 280 meters north of the intersection of Wei'er Road and Jingsi Road in Anping County Development Zone, Hengshui City, Hebei Province. It was established on April 19, 2026, with the registration authority of Anping County Market Supervision Administration and the legal representative being Liu Jia. Core products: Finished Cover Plate, Stair Tread, Stainless Steel Cover Plate

TOP9
Hebei Yangfeng Environmental Protection Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2023-09-21
Registered Capital5000K CNY

Hebei Yangfeng Environmental Protection Equipment Co., Ltd. is located 100 meters west of the East Outer Ring Small and Medium sized Enterprise Entrepreneurship Park Road in Zaoqiang County, Hengshui City, Hebei Province. It was established on September 21, 2023 and registered with the Market Supervision Administration of Zaoqiang County, Hengshui City. The legal representative is Hao Peng. Core products: Finished Cover Plate, Fiberglass Filling Material, Fiberglass Hydrochloric Acid Storage Tank

TOP10
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 Score4.3 / 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: Finished Cover Plate, Cable Trench Cover, Anti-Glare Panel

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Zibo Xintuo Composite Materials Technology Co., Ltd2014-05-08Finished Cover Plate, Stainless Steel Gutter, Stainless Steel Laser Cover Plate2000K CNYSupported
Xinjiang Mingbo Composite Materials Co., Ltd2026-02-13Finished Cover Plate, Fiberglass Pump Station, Frp Pipe3000K CNYNot Supported
Hebei Guanwei Fiberglass Co., Ltd2017-06-07Finished Cover Plate, Fiberglass Water Tank, Fiberglass Desulfurization Tower5000K CNYSupported
Hebei Dongshenmao Environmental Protection Equipment Co., Ltd2020-11-17Finished Cover Plate, Fiberglass Ventilation Duct, Sewage Tank Cover Plate3600K CNYSupported
Zaoqiang Haoyang Machinery Manufacturing Co., Ltd2020-01-07Finished Cover Plate, Frp Cable Tray , Fiberglass Grating1000K CNYSupported
Hebei Shoujun Environmental Protection Equipment Co., Ltd2021-05-28Finished Cover Plate, Fiberglass Cover Plate, Biological Deodorization Box5000K CNYNot Supported
Hengshui Haoye Fiberglass Products Factory2019-09-11Finished Cover Plate, Hot-Dip Galvanizing, Composite Cable Trench Cover Plate150K CNYNot Supported
Anping County Digu Metal Products Co., Ltd2026-04-19Finished Cover Plate, Stair Tread, Stainless Steel Cover Plate500K CNYSupported
Hebei Yangfeng Environmental Protection Equipment Co., Ltd2023-09-21Finished Cover Plate, Fiberglass Filling Material, Fiberglass Hydrochloric Acid Storage Tank5000K CNYSupported
Hebei Wohui Environmental Protection Equipment Co., Ltd2023-02-07Finished Cover Plate, Cable Trench Cover, Anti-Glare Panel100K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of finished cover plates, it is recommended to prioritize confirming key technical parameters such as thickness, material, and load-bearing capacity to ensure compatibility with project requirements.
  • In scenarios such as industrial drainage or municipal facilities, the corrosion resistance and durability of finished cover plates need to be evaluated based on specific environments to avoid increased maintenance costs due to improper selection.
  • When selecting suppliers, priority should be given to product matching, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information to reduce procurement risks.
  • Finished cover plates of different specifications are suitable for scenarios such as road manhole covers and cable trench covers. Before procurement, it is necessary to clarify the installation dimensions and load levels to avoid affecting the construction progress due to specification errors.

Knowledge Base

Q

This article explores the functional characteristics, applicable scenarios, and selection points of finished groove cover plates, helping industrial purchasers understand how to choose suitable cover plate products based on actual needs, and improve construction efficiency and safety.

Q

This article introduces the finished cover plate inside the floodwater. The finished cover plate, as an important component of the drainage system, is mainly used to cover the water tank of the drainage system and has important sealing and protective functions. This article will provide a detailed introduction to the material, characteristics, and usage methods of finished 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