2026 Top 10 Large Diameter Drainage Pipeline Manufacturers in China

Shijiazhuang Yongqiang Cement Products Co., Ltd

Shijiazhuang Yongqiang Cement Products Co., Ltd., with its registered address in Hanwa Village, Nanqingtong Town, Lingshou County, is registered with the Lingshou County Market Supervision Administration Bureau. The legal representative is Yang Yongqiang, and its business scope includes general projects such as cement product manufacturing; Manufacturing of concrete structural components; Sales of cement products; Sales of concrete structural components. (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: Large Diameter Drainage Pipeline, Cement Inspection Well Chamber, Inspection Chamber

Hebei Weihan Environmental Protection Equipment Co., Ltd

Hebei Weihan Environmental Protection Equipment Co., Ltd., registered at Xinhe International D, Zaoqiang County, Hengshui City, Hebei Province Building 211, registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City, with Wu Junwei as the legal representative. The business scope includes processing, manufacturing, and selling environmental protection equipment, fiberglass products, purification and energy-saving equipment, sewage treatment equipment, dust removal equipment, conveyor accessories, fiberglass winding products, cooling towers and fillers, central air conditioning supporting products, rubber products, automation supporting products, molded products, pipeline products, containers, filters, anti-corrosion and insulation engineering, non-standard steel structure products, gas regulator equipment, wires and cables, optical cables, cable materials, cable fittings, cable accessories, high and low voltage cabinets, power auxiliary equipment and accessories, and engineering construction several times. The company also engages in the export business of self-produced products and technologies and the mechanical equipment required by the company. Import business of spare parts, raw materials and technologies, Except for goods 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: Large Diameter Drainage Pipeline, Fiberglass Inspection Well, Fiberglass Warning Ball

Yanshan Shangchi Pipeline Co., Ltd

Yanshan Shangchi Pipeline Co., Ltd., with its registered address located in Puwacheng Industrial Development Zone, Yanshan County, is registered with the Yanshan County Market Supervision and Administration Bureau, and its legal representative is Dou Lanfen. Its business scope includes the production of spiral steel pipes, straight seam steel pipes, seamless steel pipes, and petroleum casings, as well as the processing of 3PE anti-corrosion steel pipes, polyurethane insulation steel pipes, TPEP anti-corrosion steel pipes, epoxy powder anti-corrosion steel pipes, plastic coated composite pipes, non-toxic drinking water steel pipes, heavy protection bimetallic bridge protection pipes, hot-dip plastic cable threading protection pipes, fire protection coated steel pipes, epoxy resin composite steel pipes for coal mines, pipeline pipes, insulation pipes, alloy pipes, stainless steel pipes, pipe fittings, anti-corrosion insulation materials, and pipeline equipment accessories; Sales of pipes, plates, wires, and steel materials; To engage in the export business of self-produced products and technologies of our enterprise, as well as the import business of mechanical equipment, spare parts, raw materials and technologies required by our enterprise, except for goods 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: Large Diameter Drainage Pipeline, Steel Sleeve Steel Insulation Pipe, Epoxy Resin Anti-Corrosion Steel Pipe

Cangzhou Jianghong Pipeline Equipment Co., Ltd

Cangzhou Jianghong Pipeline Equipment Co., Ltd., with its registered address in Jiajin Village, Mengdian Township, Yanshan County, is registered with the Market Supervision Administration of Yanshan County. The legal representative is Li Ruilan, and its business scope includes spiral steel pipes, straight seam steel pipes, seamless steel pipes, petroleum casings, anti-corrosion steel pipes, polyurethane insulation steel pipes, 3pe anti-corrosion steel pipes, TPEP anti-corrosion steel pipes, epoxy powder steel pipes, coated composite pipes, non-toxic drinking water steel pipes, hot-dip plastic cable threading protection pipes, fire coated steel pipes, resin composite steel pipes for coal mines, pipeline pipes, insulation pipes, alloy pipes, stainless steel fittings, anti-corrosion insulation materials, and pipeline equipment accessories; Sales of pipes, boards, wires, power plant accessories, pipeline accessories, anti-corrosion and insulation pipe fittings, pipeline construction and installation, anti-corrosion and insulation engineering construction, heating pipe network design and construction. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Large Diameter Drainage Pipeline, Aluminum Alloy Lined Plastic Pipe, Epoxy Coal Tar Anti-Corrosion Steel Pipe

Hebei Qiguo Pipeline Manufacturing Co., Ltd

Hebei Qiguo Pipeline Manufacturing Co., Ltd., with its registered address at 300 meters south of Weiwu East Road, Hope New Area, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province, is registered with the Market Supervision Administration of Mengcun Hui Autonomous County. The legal representative is Zhao Guilin, and its business scope includes general projects such as metal packaging containers and material manufacturing; Manufacturing of metal structures; Manufacturing of architectural decoration, plumbing components, and other metal products for building use. (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: Large Diameter Drainage Pipeline, Bellows Expansion Joint, Polyurethane Insulation Pipe Fittings

Shaanxi Intercontinental Dragon Industrial Co., Ltd

Shaanxi Intercontinental Dragon Industrial Co., Ltd., with its registered address at 220, 2nd floor, Guochu Logistics Park Office Building, Yongle Town, Jinghe New City, Xixian New Area, Shaanxi Province. The registration authority is Jinghe New City Branch of Shaanxi Xixian New Area Market Supervision Administration, and the legal representative is Ye Jianfeng. Its business scope includes general projects such as plastic product manufacturing; Rubber product manufacturing; Sales of rubber products; Manufacturing of glass fiber reinforced plastic products; Manufacturing of synthetic materials (excluding hazardous chemicals); Manufacturing of building waterproofing membrane products; Manufacturing of plastic packaging boxes and containers; Sales of valves and plugs; Sales of pipeline transportation equipment; Wholesale of hardware products; Sales of building decoration materials; Sales of building materials; Sales of metal products; General cargo warehousing services (excluding projects that require approval such as hazardous chemicals) (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: Large Diameter Drainage Pipeline, Kbg And Jdg Metal Conduit, Galvanized Pipe

Qingdao Letong Plastic Co., Ltd. Linyi Branch

Qingdao Letong Plastic Co., Ltd. Linyi Branch, with its registered address located 1000 meters east of Qianhuangtuyan Village Committee, Luoxi Street, Linyi High tech Industrial Development Zone, Shandong Province. The registration authority is the Market Supervision and Administration Bureau of Linyi High tech Industrial Development Zone, and the legal representative is Li Xianjian. Its business scope includes the sale of plumbing pipes, fittings, hardware tools, mechanical parts, valves, HVAC equipment and accessories, solar energy equipment and accessories, insulation materials, anti-corrosion materials, and fire-fighting equipment; Installation of building pipelines and ventilation equipment; Processing: plumbing pipes, fittings, hardware tools, mechanical parts, valves, HVAC equipment and accessories, solar equipment and accessories, fire-fighting equipment (excluding special equipment); Import and export of goods and technology. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Large Diameter Drainage Pipeline, , Pe Water Supply Pipe