Updated Sep 15, 2026 · Public platform & industry data

Sep 15, 2026 Updated

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2026 Top 10 Cast Iron Manhole Cover Manufacturers in China

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Top-rated Cast Iron Manhole Cover suppliers, How to choose a Cast Iron Manhole Cover manufacturer, Best Cast Iron Manhole Cover companies in China

The top 10 Cast Iron Manhole Cover manufacturers in China for 2026 are: Hebei Bangzhu Building Materials Co., Ltd, Cangzhou Shengkai Building Materials Co., Ltd, Yunnan Baoxiang Engineering Materials Co., Ltd, Shandong Bohui Iron and Steel Co., Ltd, Qufu Jiujiu Electric Power Technology Co., Ltd, Shandong Xufeng New Material Technology Co., Ltd, Shanxi Chenhui Snow Casting Industry Group Co., Ltd, Liaocheng Xinchen Iron and Steel Co., Ltd, Shaanxi Shunjiahe Trading Co., Ltd, Shandong Yihang Metal 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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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: Cast Iron Manhole Cover, Buried Sewage Shaft, Large Caliber Pipe Jacking

Top 2
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Cangzhou Shengkai Building Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2025-07-07
Registered Capital50K CNY

Cangzhou Shengkai Building Materials Co., Ltd., with its registered address located 168 meters north of Houchang Village, Huai Town, Xian County, Cangzhou City, Hebei Province, is registered with the Xian County Market Supervision and Administration Bureau. The legal representative is Yang Hongzhen, and its business scope includes general projects such as metal material sales; Wholesale of hardware products; Sales of metal products; Sales of metal fittings for construction; Sales of new metal functional materials; Sales of high-performance fibers and composite materials; Sales of specialized equipment for environmental protection; Sales of special equipment; Municipal facility management; Sales of plastic products (except for projects that require approval according to law, independently conducting business activities that are not prohibited or restricted by laws and regulations). Core products: Cast Iron Manhole Cover, Linear Drainage Ditch Cover Plate, Resin Drainage Ditch

Top 3
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Yunnan Baoxiang Engineering Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2023-04-12
Registered Capital11000K CNY

Yunnan Baoxiang Engineering Materials Co., Ltd., with its registered address at No. 3-5, Building C5, Kunming Pan Asia Baoxiang Logistics Park, Dachong Community, Luoyang Street Office, Economic Development Zone, Kunming, China (Yunnan) Pilot Free Trade Zone, is registered with the Kunming Municipal Administration for Market Regulation and represented by Li Daming. Its business scope includes general projects such as non-ferrous metal alloy manufacturing; Rolling and processing of non-ferrous metals; Manufacturing of metal structures; Wholesale of hardware products; Sales of steel reinforcement products for construction; Sales of building materials; Sales of metal products; Sales of molding materials for casting; Sales of firefighting equipment; Sales of metal tools; Sales of security equipment; Operation of wires and cables; Sales of metal wire ropes and their products; Sales of electrical accessories; Sales of superconducting materials; Sales of chemical products (excluding licensed chemical products); Sales of new organic active materials; Sales of new membrane materials; Sales of rubber products; Sales of mechanical and electrical equipment; Electrical equipment repair; Sales of high-performance fibers and composite materials; Sales of soft magnetic composite materials; Sales of cement products; Sales of asbestos cement products (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: Cast Iron Manhole Cover, Pe Drainage Ditch, Perforated Corrugated Pipe

TOP4
Shandong Bohui Iron and Steel Co., Ltd
Overall Score4.7 / 5
Est. Date2020-04-03
Registered Capital8000K CNY

Shandong Bohui Iron and Steel Co., Ltd., registered at No. 21, Block A, Xinglong Steel Pipe City, East End of Liaohe Road, Liaocheng Economic and Technological Development Zone, Shandong Province, registered with the Market Supervision and Administration Bureau of Liaocheng Economic and Technological Development Zone, with Zhao Ranran as the legal representative. Its business scope includes the sales of ductile iron pipes, fittings, ductile iron products, steel pipes, steel plates, building materials, profiles, hardware, chemical products (excluding hazardous chemicals, flammable and explosive materials, and easily produced drugs), and rubber products; Steel pipe processing and sales. 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: Cast Iron Manhole Cover, Stainless Steel Manhole Cover 1, Ductile Iron Pipe

TOP5
Qufu Jiujiu Electric Power Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2009-07-28
Registered Capital10000K CNY

Qufu Jiujiu Electric Power Technology Co., Ltd., with its registered address at Yongma Road West (Lucheng), Qufu Economic Development Zone, is registered with the Qufu Market Supervision and Administration Bureau. The legal representative is Pang Guoqing, and its business scope includes the development, production, and sales of power products, wire supports, carbon pipes, cable sheaths, cables, electrical materials, electronic products, municipal manhole covers, municipal road facilities, fiberglass products, and water purification equipment; Sales of inverters, variable frequency power supplies, and medium frequency static power supplies; Steel structure processing; Engineering machinery leasing; Maintenance of community facilities; Import and export of goods and technology (excluding goods and technology restricted or prohibited by the state for companies to operate). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Cast Iron Manhole Cover, Telecommunications Bracket, Composite Water Grate, Cast Iron Water Grate

TOP6
Shandong Xufeng New Material Technology Co., Ltd
Overall Score4.6 / 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: Cast Iron Manhole Cover, Cable Trench Cover, Composite Manhole Cover

TOP7
Shanxi Chenhui Snow Casting Industry Group Co., Ltd
Overall Score4.6 / 5
Est. Date2023-01-11
Registered Capital200000K CNY

Shanxi Chenhui Snowball Casting Industry Group Co., Ltd., with its registered address located 300 meters east of Nanmajiang Village, Nancun Town, Zezhou County, Jincheng City, Shanxi Province, is registered with the Zezhou County Market Supervision Administration Bureau and represented by Yao Jianjun. Its business scope includes general projects such as black metal casting; Manufacturing of metal materials; Sealing component manufacturing; Nonferrous metal casting; Rolling and processing of non-ferrous metals; Rubber product manufacturing; Stone processing for construction; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); General equipment manufacturing (excluding special equipment manufacturing); Sales of metal products; Sales of metal materials; Sales of valves and plugs; Sales of metal wire ropes and their products; Sales of seals; Sales of casting machinery; Sales of rubber products; Sales of mechanical equipment; Sales of metal structures; 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 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: Cast Iron Manhole Cover, Ductile Iron Water Supply Pipe, Ductile Iron Manhole Cover

TOP8
Liaocheng Xinchen Iron and Steel Co., Ltd
Overall Score4.6 / 5
Est. Date2019-04-22
Registered Capital15000K CNY

Liaocheng Xinchen Iron and Steel Co., Ltd., with its registered address at Room 1704, Building 5, Fashion Office, Contemporary International Plaza, Dongchang East Road, Liaocheng Economic and Technological Development Zone, Shandong Province. The registration authority is the Market Supervision Administration of Liaocheng Economic and Technological Development Zone, and the legal representative is Lv Dongxue. Its business scope includes the sales of ductile iron pipes, fittings, cast iron drainage pipes and fittings, ductile iron manhole covers and grates, cast iron sewer covers, resin manhole covers and grates, steel pipes, steel plates, valves, metal products (except for those prohibited or restricted by the state), building materials (except for hazardous chemicals), hardware, profiles, and rubber products; Import and export business of various commodities and technologies through self operation and agency (excluding commodities 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: Cast Iron Manhole Cover, Ductile Iron Manhole Cover, Ductile Iron Pipe

TOP9
Shaanxi Shunjiahe Trading Co., Ltd
Overall Score4.4 / 5
Est. Date2021-02-02
Registered Capital10000K CNY

Shaanxi Shunjiahe Trading Co., Ltd., with its registered address at No. 9, Building 3, 12th Street, Hardware and Electrical B Zone, South China City, International Port Zone, Xi'an City, Shaanxi Province, is registered with the Chanba International Port Branch (Port Area) of Xi'an Municipal Administration for Market Regulation. The legal representative is Zhang Shuning, and its business scope includes general projects such as sales of building materials; Sales of refrigeration and air conditioning equipment; Sales of firefighting equipment; Sales of building waterproofing membrane products; Sales of power facilities and equipment; Sales of electrical instruments and meters; Sales of metal fittings for construction; Sales of building decoration materials; Trade brokers. (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: Cast Iron Manhole Cover, Hmpp Winding Structure Wall Pipe B-Type Pipe, Pert Underfloor Heating Pipe

TOP10
Shandong Yihang Metal Manufacturing Co., Ltd
Overall Score4.3 / 5
Est. Date2022-04-12
Registered Capital5000K CNY

Shandong Yihang Metal Manufacturing Co., Ltd., with its registered address at No. 267 Daliguantun Village, Jiangguantun Street, Liaocheng Economic and Technological Development Zone, Shandong Province, is registered with the Market Supervision and Administration Bureau of Liaocheng Economic and Technological Development Zone. The legal representative is Cheng Shougong, and its business scope includes general projects such as metal structure manufacturing; Manufacturing of hardware products; Wholesale of hardware products; Manufacturing of metal materials; Sales of metal materials; Manufacturing of metal signs for transportation and public management; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Manufacturing of power transmission, distribution and control equipment; Manufacturing of non-ferrous metal alloys; Manufacturing of metal tools; Manufacturing of metal wire ropes and their products; Rolling and processing of non-ferrous metals; Research and development of metal products; Manufacturing of metal processing machinery; Manufacturing of metal daily necessities; Steel rolling processing; Mold manufacturing; Sales of metal chains and other metal products; Sales of building decoration materials; Sales of metal fittings for construction. (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: Cast Iron Manhole Cover, Manhole Cover,

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Bangzhu Building Materials Co., Ltd2021-05-24Cast Iron Manhole Cover, Buried Sewage Shaft, Large Caliber Pipe Jacking3000K CNYSupported
Cangzhou Shengkai Building Materials Co., Ltd2025-07-07Cast Iron Manhole Cover, Linear Drainage Ditch Cover Plate, Resin Drainage Ditch50K CNYSupported
Yunnan Baoxiang Engineering Materials Co., Ltd2023-04-12Cast Iron Manhole Cover, Pe Drainage Ditch, Perforated Corrugated Pipe11000K CNYSupported
Shandong Bohui Iron and Steel Co., Ltd2020-04-03Cast Iron Manhole Cover, Stainless Steel Manhole Cover 1, Ductile Iron Pipe8000K CNYSupported
Qufu Jiujiu Electric Power Technology Co., Ltd2009-07-28Cast Iron Manhole Cover, Telecommunications Bracket, Composite Water Grate, Cast Iron Water Grate10000K CNYNot Supported
Shandong Xufeng New Material Technology Co., Ltd2021-06-28Cast Iron Manhole Cover, Cable Trench Cover, Composite Manhole Cover6000K CNYNot Supported
Shanxi Chenhui Snow Casting Industry Group Co., Ltd2023-01-11Cast Iron Manhole Cover, Ductile Iron Water Supply Pipe, Ductile Iron Manhole Cover200000K CNYNot Supported
Liaocheng Xinchen Iron and Steel Co., Ltd2019-04-22Cast Iron Manhole Cover, Ductile Iron Manhole Cover, Ductile Iron Pipe15000K CNYSupported
Shaanxi Shunjiahe Trading Co., Ltd2021-02-02Cast Iron Manhole Cover, Hmpp Winding Structure Wall Pipe B-Type Pipe, Pert Underfloor Heating Pipe10000K CNYNot Supported
Shandong Yihang Metal Manufacturing Co., Ltd2022-04-12Cast Iron Manhole Cover, Manhole Cover, 5000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of cast iron manhole covers, it is recommended to prioritize confirming key technical parameters such as bearing capacity, diameter size, etc., to ensure that they match the actual load of municipal roads or factory drainage systems.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. Such suppliers are usually more guaranteed in the long-term durability and rust prevention treatment of cast iron manhole covers.
  • It is recommended to use thickened cast iron manhole covers in areas with high traffic volume or heavy vehicle traffic, and their compressive strength should reach EN124 standard D400 level or above.
  • For different application scenarios such as residential areas and industrial parks, differentiated procurement can be carried out by combining the anti-theft design (such as built-in hinges) and surface texture (anti slip patterns) of manhole covers to balance safety and practicality requirements.

Knowledge Base

Q

The materials of manhole covers are mainly cast iron, composite materials, and other metal materials. Cast iron manhole covers are widely used due to their strong load-bearing capacity and high durability. This manhole cover is made of ductile iron, which has high strength and toughness, can withstand the weight of vehicles and pedestrians, and can also resist the erosion of harsh weather and environment. Another advantage of cast iron manhole covers is their relatively low price,

Q

This article introduces measures for protecting finished cast iron manhole covers, including coating, packaging, storage, and transportation, to ensure that cast iron manhole covers can maintain good performance and appearance for a long time.

Q

Before installation, it is necessary to check the quality of the manhole cover and seat to ensure that there are no cracks or damages. When installing, first place the manhole cover on the well seat and adjust the height. Use adjustment tools (such as bolts, nuts, etc.) to fix the manhole cover and seat, ensuring that they are not loose and can be adjusted flexibly. After the installation steps are completed, maintenance is required, including regular checks on the height of the manhole cover and cleaning of surrounding dirt.

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