2026 Top 10 Directly Buried Insulation Pipe Manufacturers in China

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: Directly Buried Insulation Pipe, Fiberglass Chimney, Insulated Pipeline

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: Directly Buried Insulation Pipe, Anti-Corrosion Steel Pipe, Insulated Steel Pipe

Langfang Hengzhong Thermal Insulation Materials Co., Ltd

Langfang Hengzhong Thermal Insulation Materials Co., Ltd., with its registered address in Daluo Village, Dashangtun Town, Dacheng County, Langfang City, Hebei Province, is registered with the Market Supervision Administration of Dacheng County, Langfang City. The legal representative is Ban Jianbin, and its business scope includes the manufacturing and sales of thermal insulation and sound insulation materials, fireproof sealing materials, lightweight building materials, ecological environment materials (excluding hazardous chemicals), cement products, fasteners, refractory materials, glass fibers and products, and household textile products; Sales of insulation materials, building waterproofing membrane products, synthetic materials (excluding hazardous chemicals), chemical products (excluding licensed chemical products), building materials, sealing materials, anti-corrosion materials, high-performance fibers and composite materials; Construction project construction. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Directly Buried Insulation Pipe, Polyurethane Pipe Shell, Galvanized Overhead Insulation Pipe

Yanshan County Yuanchuang Pipe Fitting Sales Office (Individual Industrial and Commercial Household)

Yanshan County Yuanchuang Pipe Fitting Sales Office (Individual Industrial and Commercial Household), registered at Room 1202, Unit 1, Building 7, Tiantai Jiayuan, Yanshan County, with the registration authority of Yanshan County Market Supervision Administration and the legal representative of Song Zhijie. Its business scope includes general projects: sales of metal materials; Sales of metal products; Retail of hardware 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: Directly Buried Insulation Pipe, Plastic-Coated Steel Pipe, Type 87 Rainwater Hopper

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: Directly Buried Insulation Pipe, Hot Dip Plastic Conduit, Anti-Corrosion Steel Pipe

Hengshui Aoyang Thermal Insulation Materials Co., Ltd

Hengshui Aoyang Thermal Insulation Materials Co., Ltd. is registered at No. 16 Guangming Street, Zhaoqiao Town, Wuyi County, Hengshui City, Hebei Province. The registration authority is the Market Supervision Administration of Wuyi County, Hengshui City, and the legal representative is Zhang Jialing. Its business scope includes the manufacturing of thermal insulation and sound insulation materials. Production and sales: high-density polyethylene jacket, polyurethane insulation board, polyurethane insulation pipe, insulation pipe fittings, polyurethane tile shell, polyurethane composite material, steel sleeve steel insulation pipe. Sales: Glass wool products, chemical products (including rubber and plastic products), aluminum silicate products, rock wool products, steel pipes and fittings, thermal pipeline accessories, hardware and electromechanical products. Undertake anti-corrosion and insulation projects. (Except for hazardous chemicals such as flammable, explosive, and easily producible drugs, which are restricted or prohibited by the state). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Directly Buried Insulation Pipe, Polyurethane Pipe Shell, Overhead 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: Directly Buried Insulation Pipe, Polyurethane Insulation Pipe, Polyurethane Direct Buried Insulation Pipe