2026 Top 10 Ductile Iron Five Proof Manhole Cover Manufacturers in China

Baoding Shuangcheng Building Materials Co., Ltd

Baoding Shuangcheng Building Materials Co., Ltd. is registered in Qucheng Village, Suicheng Town, Xushui District, Baoding City, Hebei Province. The registration authority is Xushui District Market Supervision and Administration Bureau, and the legal representative is Tian Yingying. Its business scope includes the manufacturing of cement products. Wholesale and retail of building materials (excluding hazardous chemicals), hardware products, and other indoor decoration materials (excluding hazardous chemicals). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)**. Core products: Ductile Iron Five Proof Manhole Cover, , Glass Reinforced Plastic Septic Tank

Shandong Baogai New Material Technology Co., Ltd

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: Ductile Iron Five Proof Manhole Cover, Highway Tunnel Trench Cover, Cable Trench Cover

Shandong Xufeng New Material Technology Co., Ltd

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: Ductile Iron Five Proof Manhole Cover, Cable Trench Cover, Composite Manhole Cover

Shandong Yihang Metal Manufacturing Co., Ltd

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: Ductile Iron Five Proof Manhole Cover, Bridge And Road Collision Barriers,

Shandong Hanshuo Iron and Steel Co., Ltd

Shandong Hanshuo Iron and Steel Co., Ltd., registered at No. 21-1, Xinglong Steel Pipe City, East End of Liaohe Road, Jiangguantun Street, 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 general projects: sales of metal materials; Sales of special equipment; Wholesale of hardware products; Sales of hydraulic power machinery and components; Sales of pneumatic power machinery and components; Sales of power facilities and equipment; Sales of glass fiber reinforced plastic products; Bearing sales; Sales of metal structures; Sales of building materials; Sales of steel reinforcement products for construction; Sales of concrete structural components; Sales of high-performance non-ferrous metals and alloy materials; Sales of metal chains and other metal products; Sales of molding materials for casting; Sales of rubber products; Sales of high-quality special steel materials; Sales of metallurgical specialized equipment; Retail of hardware products; Sales of building decoration materials; Sales of electrical accessories; Sales of lightweight building materials; Sales of metal products; Sales of mechanical equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of new membrane materials; Sales of specialized equipment for refining and chemical production; Sales of chemical products (excluding licensed chemical products); Sales of metamaterials; 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: Ductile Iron Five Proof Manhole Cover, Ductile Iron Grate, Pickled And Passivated Seamless Steel Pipe

Shandong Xiangming Metal Manufacturing Co., Ltd

Shandong Xiangming Metal Manufacturing Co., Ltd., with its registered address at No. 6 Wangzhuang Village, Xuying Town, High tech Zone, Liaocheng City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Liaocheng High tech Industrial Development Zone. The legal representative is Bai Meilan, and its business scope includes general projects such as non-ferrous metal alloy manufacturing; Manufacturing of metal materials; Manufacturing of metal structures; Steel rolling processing; Steel and iron smelting; Metal cutting processing services; Rolling and processing of non-ferrous metals; Mechanical parts and component processing; Manufacturing of forgings and powder metallurgy products; Sales of metal materials; Sales of metal products; Sales of building materials; 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: Ductile Iron Five Proof Manhole Cover, Cast Iron Sleeve Grate, Anti Settlement Manhole Cover

Shandong Dafeng Iron and Steel Co., Ltd

Shandong Dafeng Iron and Steel Co., Ltd. is registered at No. 94-2 Dianzi Village, Xuying Town, High tech Zone, Liaocheng City, Shandong Province. The registration authority is the Market Supervision and Administration Bureau of Liaocheng High tech Industrial Development Zone, and the legal representative is Zhao Huanhuan. The business scope includes the sales of steel, steel pipes, steel profiles, wire rods, round steel, manhole covers, pipes, mechanical parts, and metal materials. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Ductile Iron Five Proof Manhole Cover, Drainage Trench Cover, Five Prevention Manhole Cover