Updated Oct 8, 2026 · Public platform & industry data

Oct 8, 2026 Updated

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2026 Top 10 Spherical Ink Manhole Cover Manufacturers in China

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

The top 10 Spherical Ink Manhole Cover manufacturers in China for 2026 are: Hebei Bangzhu Building Materials Co., Ltd, Shaanxi Aoyu Industrial Co., Ltd, Shaanxi Linsu Pipeline Technology Co., Ltd, Sichuan Wenquan Metal Products Co., Ltd, Chongqing Linghui Materials Co., Ltd, Chongqing Richang Materials Co., Ltd, Hebei Ruihao Xinde Building Materials Co., Ltd, Xian County Wenjie Construction Equipment Factory, Shandong Changchi Metal Materials Co., Ltd, Shandong Yetai Metal Materials 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: Spherical Ink Manhole Cover, Ecological Framework, Manhole Cover Plate

Top 2
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Shaanxi Aoyu Industrial Co., Ltd
Overall Score4.7 / 5
Est. Date2021-08-20
Registered Capital500K CNY

Shaanxi Aoyu Industrial Co., Ltd., with its registered address at Gaojing Avenue, Shaanxi Guochu Logistics Park Pipeline Industrial Zone, 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 Ye Yingyan. Its business scope includes general projects such as plastic product manufacturing; Rubber product manufacturing; Manufacturing of glass fiber reinforced plastic products; Manufacturing of plastic packaging boxes and containers; Manufacturing of synthetic materials (excluding hazardous chemicals); Manufacturing of building waterproofing membrane products; Manufacturing of material handling equipment; Sales of plastic products; Sales of rubber products; Sales of pipeline transportation equipment; Wholesale of hardware products; Sales of building decoration materials; Sales of electronic components and electromechanical equipment; Sales of metal products; Sales of valves and plugs; Sales of synthetic materials; General cargo warehousing services (excluding projects requiring permits and approvals such as hazardous chemicals); Sales of building waterproofing membrane products; Sales of glass fiber reinforced plastic products; Sales of metal chains and other metal products; Supply chain management services; Operation of wires and cables; Loading and unloading handling; Office services; Engineering management services; Enterprise management consulting; Marketing planning; Technology intermediary services; Network technology services; Internet of Things technology services; Conference and exhibition services; Specialized equipment repair; Construction of landscaping and greening projects; Agricultural specialties and auxiliary activities; Agricultural and horticultural services; Intelligent agricultural management; Information consulting services (excluding licensed information consulting services); Labor services (excluding labor dispatch); Data processing and storage support services; 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: Spherical Ink Manhole Cover, Pe Replacement Pipe, Deformed Steel Bar

Top 3
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Shaanxi Linsu Pipeline Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2022-01-27
Registered Capital5180K CNY

Shaanxi Linsu Pipeline Technology 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 such as pipeline transportation equipment sales; Sales of rubber products; Sales of plastic products; Manufacturing of glass fiber reinforced plastic products; Sales of insulation materials; Sales of metal products; Sales of new metal functional materials; Operation of wires and cables; Sales of building decoration materials; Wholesale of hardware products; Manufacturing of plastic products; Rubber product manufacturing; Manufacturing of metal packaging containers and materials; Manufacturing of building waterproofing membrane products; Manufacturing of synthetic materials (excluding hazardous chemicals); Manufacturing of non-metallic mineral products; Manufacturing of fiberglass and related products; Manufacturing of new building materials (excluding hazardous chemicals); Manufacturing of lightweight building materials; Manufacturing of plastic packaging boxes and containers; Manufacturing of metal structures; Sales of metal packaging containers and materials; Sales of metal structures; Sales of building waterproofing membrane products; Sales of valves and plugs; Sales of steel reinforcement products for construction; Sales of glass fiber reinforced plastic products; Sales of fiberglass and related products; Sales of synthetic materials; Sales of high-quality synthetic rubber; Research and development of metal products; Sales of metal chains and other metal products; Sales of building materials; Sales of lightweight building materials; Retail of hardware products; Promotion services for new material technology; 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: Spherical Ink Manhole Cover, Ductile Iron Manhole Cover, Polyurethane Insulation Pipe

TOP4
Sichuan Wenquan Metal Products Co., Ltd
Overall Score4.6 / 5
Est. Date1993-11-24
Registered Capital20000K CNY

Sichuan Wenquan Metal Products Co., Ltd., with its registered address in Lianyi Village, Guansheng Town, Chongzhou City, is registered with the Chongzhou Market Supervision Administration Bureau. The legal representative is Feng Wenquan, and its business scope includes general projects such as black metal casting; Sales of metal 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: Spherical Ink Manhole Cover, Manhole Cover, Anti Impact Manhole Cover

TOP5
Chongqing Linghui Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2019-11-06
Registered Capital1000K CNY

Chongqing Linghui Materials Co., Ltd., located at Room 11-8, Building 2, No. 109 Siyuan Road, Dadukou District, Chongqing, was established on November 6, 2019. The registration authority is the Market Supervision Administration of Dadukou District, Chongqing, and the legal representative is Wang Zuxian. Core products: Spherical Ink Manhole Cover

TOP6
Chongqing Richang Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2012-06-28
Registered Capital500K CNY

Chongqing Richang Materials Co., Ltd., registered at No. 5 Hongshi Avenue, Jiulong Park, Jiulong Town, Jiulongpo District, Chongqing, with the registration authority of the Market Supervision and Administration Bureau of Jiulongpo District, Chongqing. The legal representative is Li Nannan, and the business scope includes the sale of pipes, profiles, plates, pipe fittings, valves, flanges, steel, building materials (excluding hazardous chemicals), insulation materials, metal materials, decorative materials (excluding hazardous chemicals), fire-fighting equipment, mechanical equipment and accessories, hardware, electrical equipment, wires, cables, plastic products, chemical products (excluding hazardous chemicals and precursor chemicals), glass products, ceramic products, packaging materials, plumbing equipment and accessories, steel wire. Rope, water pump and accessories, ship accessories, mechanical and electrical equipment and accessories (excluding cars), asbestos products Instruments and meters, fasteners, laboratory benches, laboratory supplies, daily necessities, lighting products, power tools, refrigeration equipment, environmental protection equipment and materials, furniture, bags and suitcases. **[Projects that require approval by law can only be operated after approval by relevant departments]. Core products: Spherical Ink Manhole Cover, Cast Iron Single Grate, Anti Settlement Manhole Cover

TOP7
Hebei Ruihao Xinde Building Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2024-08-30
Registered Capital20000K CNY

Hebei Ruihao Xinde Building Materials Co., Ltd., with its registered address located 570 meters northwest of Yangyaojing Village, Guozhuang Town, Xian County, Cangzhou City, Hebei Province, is registered with the Xian County Market Supervision and Administration Bureau and represented by Yang Guoqi as its legal representative. Its business scope includes general projects such as metal material manufacturing; Sales of metal materials; Manufacturing of metal structures; Sales of metal structures; Manufacturing of concrete structural components; Manufacturing of metal fittings for construction; Sales of metal fittings for construction; Manufacturing of lightweight building materials; Manufacturing of metal chains and other metal products; Manufacturing of metal packaging containers and materials; Sales of new metal functional materials; Sales of metal chains and other metal products; Sales of metal products; Manufacturing of metal wire ropes and their products; Sales of metal wire ropes and their products; Manufacturing of hardware products; Wholesale of hardware products; Sales of building materials; Sales of architectural ceramic products; Manufacturing of building waterproofing membrane products; Sales of building waterproofing membrane products; Sales of lightweight building materials; Sales of insulation materials; Retail of hardware products; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Manufacturing of plastic products; Sales of plastic products; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Sales of high-performance fibers and composite materials; Manufacturing of high-performance fibers and composite materials; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Installation services for environmental sanitation public facilities; Sales of ecological environment materials; Mechanical equipment leasing; Leasing of construction machinery and equipment. (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: Spherical Ink Manhole Cover, Paving Steel Plate, H400 Steel Support

TOP8
Xian County Wenjie Construction Equipment Factory
Overall Score4.5 / 5
Est. Date2019-10-16
Registered Capital-

Xian County Wenjie Construction Equipment Factory, with its registered address in Weicun, Hecheng Street Town, Xian County, Cangzhou City, Hebei Province, is registered with the Xian County Market Supervision and Administration Bureau. The legal representative is Zhang Wenjie, and its business scope includes the processing and sales of rivets, nails, through wall screws, and iron horse stools; Sales of three-stage waterstop screws, waterstops, warning tapes, speed bumps, manhole covers, grates, mesh screens, soil nets, U-wires, lead screws, valves and accessories, and construction equipment (projects that require approval by law can only be operated after approval by relevant departments). Core products: Spherical Ink Manhole Cover, Manhole Cover, Iron Horse Stool

TOP9
Shandong Changchi Metal Materials Co., Ltd
Overall Score4.4 / 5
Est. Date2023-12-29
Registered Capital8600K CNY

Shandong Changchi Metal Materials Co., Ltd., with its registered address at No. 156-2 Caozhuang Village, Hanji Township, Dongchangfu District, Liaocheng City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Dongchangfu District, Liaocheng City. The legal representative is Xu Yanshuang, and its business scope includes general projects such as metal material sales; Manufacturing of metal materials; Sales of metal products; Manufacturing of metal structures; Sales of metal structures; Sales of building materials; Sales of non-ferrous metal alloys; Sales of high-performance non-ferrous metals and alloy materials; Manufacturing of non-ferrous metal alloys; Steel rolling processing; Steel and iron smelting; Metal cutting processing services; Rolling and processing of non-ferrous metals; Mechanical parts and component processing; Sales of metal chains and other metal products; Manufacturing of forgings and powder metallurgy products; Sales of forgings and powder metallurgy products; Manufacturing of metal signs for transportation and public management; Sales of signs for transportation and public management; Sales of non-metallic minerals and products; Sales of rubber products; Sales of 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: Spherical Ink Manhole Cover, Tree Pool Grates, Anti Settlement Manhole Cover

TOP10
Shandong Yetai Metal Materials Co., Ltd
Overall Score4.4 / 5
Est. Date2021-11-01
Registered Capital5000K CNY

Shandong Yetai Metal Materials Co., Ltd., with its registered address at Room 201, No. 39, Block B, Billion Steel Pipe City, Fenghuang Industrial Park, Dongchangfu District, Liaocheng City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Dongchangfu District, Liaocheng City. The legal representative is Liu Qingzhen, and the business scope includes general projects: sales of metal materials; Sales of metal products; Wholesale of hardware products; Ferroalloy smelting; Sales of signs for transportation and public management; Repair of metal products; Manufacturing of metal materials; Research and development of metal products; Sales of daily necessities; Sales of non-ferrous metal alloys; Sales of metal structures; Sales of building materials; Sales of metal tools; Sales of high-performance non-ferrous metals and alloy materials; Sales of high-quality special steel materials; Sales of chemical products (excluding licensed chemical products); Rolling and processing of non-ferrous metals; Sales of metal ores; Sales of mining machinery. (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: Spherical Ink Manhole Cover, Profiled Sheet, Cast Iron Manhole Cover

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Bangzhu Building Materials Co., Ltd2021-05-24Spherical Ink Manhole Cover, Ecological Framework, Manhole Cover Plate3000K CNYSupported
Shaanxi Aoyu Industrial Co., Ltd2021-08-20Spherical Ink Manhole Cover, Pe Replacement Pipe, Deformed Steel Bar500K CNYSupported
Shaanxi Linsu Pipeline Technology Co., Ltd2022-01-27Spherical Ink Manhole Cover, Ductile Iron Manhole Cover, Polyurethane Insulation Pipe5180K CNYSupported
Sichuan Wenquan Metal Products Co., Ltd1993-11-24Spherical Ink Manhole Cover, Manhole Cover, Anti Impact Manhole Cover20000K CNYNot Supported
Chongqing Linghui Materials Co., Ltd2019-11-06Spherical Ink Manhole Cover1000K CNYNot Supported
Chongqing Richang Materials Co., Ltd2012-06-28Spherical Ink Manhole Cover, Cast Iron Single Grate, Anti Settlement Manhole Cover500K CNYSupported
Hebei Ruihao Xinde Building Materials Co., Ltd2024-08-30Spherical Ink Manhole Cover, Paving Steel Plate, H400 Steel Support20000K CNYSupported
Xian County Wenjie Construction Equipment Factory2019-10-16Spherical Ink Manhole Cover, Manhole Cover, Iron Horse Stool-Not Supported
Shandong Changchi Metal Materials Co., Ltd2023-12-29Spherical Ink Manhole Cover, Tree Pool Grates, Anti Settlement Manhole Cover8600K CNYSupported
Shandong Yetai Metal Materials Co., Ltd2021-11-01Spherical Ink Manhole Cover, Profiled Sheet, Cast Iron Manhole Cover5000K CNYSupported

Purchasing Guide

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

  • In the actual procurement process of ductile iron manhole covers, it is recommended to prioritize confirming key technical parameters such as bearing grade and diameter size to ensure that they match the actual load requirements of municipal or factory roads.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. Such suppliers usually provide more stable delivery capabilities.
  • Spherical ink manhole covers are suitable for high traffic areas or corrosive environments. When purchasing, the type of anti-corrosion coating should be selected according to the usage scenario, such as epoxy asphalt or galvanized treatment.
  • For special scenarios such as underground pipe galleries or sunken green spaces, attention should be paid to the anti settlement design of manhole covers and the configuration of drainage holes to avoid increased maintenance costs due to structural issues.

Knowledge Base

Q

1. Resin, as the raw material of resin drainage ditch, has a high molecular density, which results in high load-bearing capacity and hardness of the drainage ditch, making it less prone to deformation and collapse. Compared with traditional cement drainage ditch, resin drainage ditch has a super high advantage. 2. Resin drainage ditches have a relatively long service life due to the high-density molecular formula of their raw materials, which give them antioxidant, acid and alkali resistant properties. 3. Resin component

Q

Ductile iron manhole cover is a type of ductile iron product. Ductile iron obtains spherical graphite through spheroidization and inoculation treatment, effectively improving the mechanical properties of cast iron, especially the plasticity and toughness, resulting in higher strength than carbon steel. Ductile iron has rapidly developed into a widely used cast iron material, second only to gray cast iron.

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