2026 Top 10 Invisible Manhole Cover Manufacturers in China

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: Invisible Manhole Cover, 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: Invisible Manhole Cover, Seamless Steel Pipe, Ductile Iron Grate

Shandong Bohui Iron and Steel Co., Ltd

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: Invisible Manhole Cover, Ductile Iron Manhole Cover, Acid Washed And Passivated Seamless Steel Pipe Diagram

Beijing Dongxing Landscape Brick Industry Building Materials Co., Ltd

Beijing Dongxing Landscape Brick Industry Building Materials Co., Ltd., registered at Room 118, 1st Floor, Beijing Mingjia Hotel Co., Ltd., Building 2, Mingjia Garden Community, Beiqijia Town, Changping District, Beijing, registered with the Changping District Market Supervision and Administration Bureau of Beijing, with Meng Hongtao as the legal representative. Its business scope includes the sale of building materials, metal products, cement products, hardware and electrical equipment, and mechanical equipment; Rental of mechanical equipment; Technical services; Commissioned processing of building materials; Family labor services. (For projects that require approval according to law, business activities shall be carried out in accordance with the approved content after approval by relevant departments.). Core products: Invisible Manhole Cover, Lawn Tiles, Permeable Brick

Qufu Jiujiu Electric Power Technology Co., Ltd

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: Invisible Manhole Cover, Manhole Cover, Telecommunications Bracket

Yuchi Building Materials Distribution Office, Xushui District, Baoding City

Yuchi Building Materials Distribution Office in Xushui District, Baoding City, Hebei Province, with its registered address in Xishiduan Village, Dongshiduan Township, Xushui District. The registration authority is Xushui District Administration for Industry and Commerce, and the legal representative is Tian Bingbing. Its business scope includes hardware and electrical materials, cement products, cast iron well tools, tree grease well tools, and steel fiber retail. (If the above business scope involves licensed business projects, it should obtain permission from relevant departments before operation.). Core products: Invisible Manhole Cover, Cement Septic Tank, Cement Trench Cover Plate

Guangdong Zongxinbao Building Materials Co., Ltd

Guangdong Zongxinbao Building Materials Co., Ltd., with its registered address at Shop 14, 1st Floor, Building 15, F1 Area, Guangdong Lecong Steel World, Lecong Town, Shunde District, Foshan City, Guangdong Province (registered address declared), is registered with the Market Supervision Administration of Shunde District, Foshan City, and the legal representative is Miao Jianxun. Its business scope includes general projects: sales of metal products; Sales of metal chains and other metal products; Sales of metal materials; Wholesale of hardware products; Sales of metal fittings for construction; Sales of power facilities and equipment; Sales of plastic products; Sales of cement products; Sales of engineering plastics and synthetic resins; Sales of pipeline transportation equipment; Sales of building materials; Engineering management services; Sales of rubber products; Import and export of goods. (Except for projects that require approval according to law, conduct business activities independently based on the business license) Licensed project: electrical installation services; Construction project construction; Construction labor subcontracting. (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: Invisible Manhole Cover, Stainless Steel Double Frame Manhole Cover, None