2026 Top 10 Polyurethane Direct Buried Insulation Pipe Manufacturers in China

Langfang Ouliang Thermal Insulation Materials Co., Ltd

Langfang Ouliang Thermal Insulation Materials Co., Ltd., with its registered address in Da Shangtun Town, Dacheng County, Langfang City, Hebei Province, is registered with the Market Supervision Administration of Dacheng County, Langfang City. The legal representative is Xu Falong, and its business scope includes the manufacturing and sales of thermal insulation and sound insulation materials, as well as the manufacturing and sales of plastic processing equipment; Sales of chemical products (excluding licensed chemical products), sales of metal materials, sales of building materials, and sales of plastic products; Construction project construction. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Polyurethane Direct Buried Insulation Pipe, Insulation Pipe Fittings, Insulation Elbow Tee, Polyurethane Insulation Pipe, Prefabricated Buried Insulation Pipe

Hebei De'en Thermal Insulation Materials Co., Ltd

Hebei De'en Thermal Insulation Materials Co., Ltd., with its registered address in Daluo Village, Dacheng County, Langfang City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Dacheng County, Langfang City. The legal representative is Xu Zhentao, and its business scope includes processing and sales of polyurethane prefabricated buried insulation pipes, steel sheathed steam buried insulation pipes, high-density polyethylene outer protective pipes, fiberglass insulation pipes, plastic sheathed steel, steel sheathed steel insulation pipes and insulation fittings, hot spring water insulation pipes, PPR cold and hot water insulation pipes, air conditioning water freezing system insulation pipes, and high-temperature steam composite insulation pipes; Sales: Polyurethane products, rock wool products, glass wool products, rubber products, aluminum silicate products, sealing gaskets, and packing; Undertake the construction of municipal thermal pipelines and anti-corrosion insulation projects. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Polyurethane Direct Buried Insulation Pipe, Steel Sleeve Steel Insulation Pipe,

Shandong Shengbao Pipeline Technology Co., Ltd

Shandong Shengbao Pipeline Technology Co., Ltd., with its registered address located at the north of Xishou Road, Jinshan Street, Xin'an Street, Anqiu City, Weifang City, Shandong Province, is registered with the Anqiu Market Supervision Administration Bureau. The legal representative is Wang Zengfeng, and the business scope includes general projects such as metal surface treatment and heat treatment processing; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Manufacturing of fiberglass and related products; Sales of fiberglass and related products; Manufacturing of plastic products; Sales of plastic products; Manufacturing of metal structures; Sales of metal structures; Manufacturing of metal materials; Sales of metal products; Manufacturing of instruments and meters; Sales of instruments and meters; Instrument and meter repair; Sales of engineering plastics and synthetic resins; Manufacturing of power transmission, distribution and control equipment; Sales of intelligent power transmission and distribution and control equipment; Production of chemical products (excluding licensed chemical products); Sales of chemical products (excluding licensed chemical products); Installation services for ordinary mechanical equipment; Research and development of emerging energy technologies; Research and development of resource recycling technology; Promotion services for new material technology; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Import and export of goods; Technology import and export. (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) Licensed project: construction project construction; Manufacturing of special equipment. (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: Polyurethane Direct Buried Insulation Pipe, Fiberglass Chimney, Insulated Pipeline

Cangzhou Huiyu Pipeline Equipment Co., Ltd

Cangzhou Huiyu Pipeline Equipment Co., Ltd., with its registered address at 2-3-601, Huihe Jiayuan West, Hanqiao Village, Yanshan Town, Yanshan County, is registered with the Yanshan County Market Supervision Administration. The legal representative is Wang Zhongzheng, and its business scope includes wholesale of metals and metal ores. Sales of pipe fittings, flanges, insulated steel pipes, anti-corrosion steel pipes, galvanized pipe fittings, ductile iron steel pipes, plates, corrugated compensators, metal hoses, pump pipes, wear-resistant pipes and pipe fittings, supports and hangers, flow devices, valves, water flow indicators, filters, corrugated compensators, pump pipes, fabric machines, benchmarks, building materials, sports equipment, machine tool accessories, gaskets, hardware products, fiberglass products, leather and fur products. (For projects that require approval according to law, business activities can only be carried out after approval by relevant departments; for general business projects, business activities can be carried out independently according to law). Core products: Polyurethane Direct Buried Insulation Pipe, Hot Dip Plastic Conduit, Spiral Steel Pipe

Cangzhou Fuou Pipeline Equipment Co., Ltd

Cangzhou Fuou 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 Wang Zhenzhong, 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 protection coated steel pipes, resin composite steel pipes for coal mines, pipeline pipes, insulation pipes, alloy pipes, stainless steel fittings, bends, elbows, heads, flanges, tees, reducers, insulation joints, power plant accessories, valves, fittings, anti-corrosion insulation materials, pipelines and more. Sales of pipeline fittings, pipes, plates, wires, anti-corrosion and insulation pipe fittings, and pipeline construction and installation. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Polyurethane Direct Buried Insulation Pipe, Anti-Corrosion Steel Pipe, Tpep Anti-Corrosion Steel Pipe

Hebei Shantuo Energy saving Technology Co., Ltd

Hebei Shantuo Energy saving Technology Co., Ltd., with its registered address in Guowangzhibao Village, Guang'an Town, Dacheng County, Langfang City, Hebei Province, is registered with the Market Supervision Administration of Dacheng County, Langfang City. The legal representative is Yang Lijie, and the business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of insulation and soundproofing materials; Sales of insulation and soundproofing materials; Manufacturing of fiberglass and related products; Sales of fiberglass and related products; Manufacturing of cement products; Sales of cement products; Manufacturing of sealing fillers; Sales of sealing fillers; Manufacturing of ecological environment materials; Sales of ecological environment materials; Manufacturing of synthetic materials (excluding hazardous chemicals); Sales of synthetic materials; Paint manufacturing (excluding hazardous chemicals); Sales of coatings (excluding hazardous chemicals); Manufacturing of lightweight building materials; Sales of lightweight building materials; Manufacturing of plastic products; Sales of plastic products; Rubber product manufacturing; Sales of rubber products; Production of fireproof sealing materials; Sales of fireproof sealing materials; Production of refractory materials; Sales of refractory materials; Sales of anti-corrosion materials; Sales of chemical products (excluding licensed chemical products); Sales of metal materials; Sales of building materials; Operation of wires and cables; Sales of mining machinery; Retail of hardware products; Sales of mechanical equipment; Sales of mechanical parts and components; Sales of metal ores; Sales of security equipment; Sales of firefighting equipment; Specialized equipment repair; Electronic and mechanical equipment maintenance (excluding special equipment) (except for projects that require approval according to law, independently conducting business activities that are not prohibited or restricted by laws and regulations) License project: construction project construction; Construction professional operations (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or permits). Core products: Polyurethane Direct Buried Insulation Pipe, Glass Flake Adhesive, Lightweight Aggregate Concrete

Cangzhou Dashengchang Pipeline Co., Ltd

Cangzhou Dashengchang Pipeline Co., Ltd., registered at 35-108 Xingye Road, Cangzhou Economic Development Zone, registered with the Market Supervision and Administration Bureau of Cangzhou Economic Development Zone, with Lu Junxian as the legal representative. Its business scope includes wholesale and retail of steel, pipes, instruments, hardware, building materials (excluding sand and gravel), anti-corrosion materials, and insulation materials (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Polyurethane Direct Buried Insulation Pipe, Plastic-Coated Steel Pipe, Directly Buried Foam Pipeline