Updated Sep 6, 2026 · Public platform & industry data

Sep 6, 2026 Updated

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2026 Top 10 Buried Polyurethane Insulated Pipe Manufacturers in China

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Top-rated Buried Polyurethane Insulated Pipe suppliers, How to choose a Buried Polyurethane Insulated Pipe manufacturer, Best Buried Polyurethane Insulated Pipe companies in China

The top 10 Buried Polyurethane Insulated Pipe manufacturers in China for 2026 are: Cangzhou Huadun Anti corrosion and Insulation Engineering Co., Ltd, Cangzhou Huadun Pipeline Technology Co., Ltd, Langfang Hengzhong Thermal Insulation Materials Co., Ltd, Cangzhou Dashengchang Pipeline Co., Ltd, Hengshui Aoyang Thermal Insulation Materials Co., Ltd, Langfang Yiao Thermal Insulation Materials Co., Ltd, Cangzhou Fuou Pipeline Equipment Co., Ltd, Shandong Shengbao Pipeline Technology Co., Ltd, Cangzhou Tuocheng Pipeline Equipment Co., Ltd, Hebei Jihong Pipeline Equipment Manufacturing Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

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Top 1
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Cangzhou Huadun Anti corrosion and Insulation Engineering Co., Ltd
Overall Score4.9 / 5
Est. Date2009-03-20
Registered Capital51000K CNY

Cangzhou Huadun Anti corrosion and Insulation Engineering Co., Ltd., with its registered address at No. 3, West of Zhengyuan Street, Zhenggang Park, Economic Development Zone, Yanshan County, Cangzhou City, Hebei Province, is registered with the Market Supervision Administration of Yanshan County. The legal representative is Jia Zhenfeng, and its business scope includes general projects such as production and sales of anti-corrosion and insulation engineering; Steel pipes, insulation materials, pipelines and pipeline fittings, pipes, plates, and steel materials. (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: Buried Polyurethane Insulated Pipe, 3Pe Anti-Corrosion Steel Pipe, Coated Composite Steel Pipe

Top 2
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Cangzhou Huadun Pipeline Technology Co., Ltd
Overall Score4.8 / 5
Est. Date2021-05-18
Registered Capital100000K CNY

Cangzhou Huadun Pipeline Technology Co., Ltd. is located in the economic development zone of Yanshan County, Cangzhou City, Hebei Province, on the south side of Puyang Road East Section. It was established on May 18, 2021, with the registration authority of Yanshan County Market Supervision Administration and the legal representative being Liu Zhenhong. Core products: Buried Polyurethane Insulated Pipe, Plastic-Coated Steel Pipe, Steel Sleeve Steel Insulation Steel Pipe

Top 3
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Langfang Hengzhong Thermal Insulation Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2018-11-30
Registered Capital5000K CNY

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: Buried Polyurethane Insulated Pipe, Steel Sleeve Steel Steam Insulation Pipe, Prefabricated Buried Insulation Pipe

TOP4
Cangzhou Dashengchang Pipeline Co., Ltd
Overall Score4.7 / 5
Est. Date2015-09-11
Registered Capital5000K CNY

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: Buried Polyurethane Insulated Pipe, Plastic-Coated Steel Pipe, Plastic Coated Cable Passing Through Rail Conduit

TOP5
Hengshui Aoyang Thermal Insulation Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2018-05-23
Registered Capital31000K CNY

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: Buried Polyurethane Insulated Pipe, Polyurethane Pipe Shell, Polyurethane Insulation Board

TOP6
Langfang Yiao Thermal Insulation Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2017-03-29
Registered Capital1060K CNY

Langfang Yiao Thermal Insulation Materials Co., Ltd. is located in Guowangzhibao Village, Guang'an Town, Dacheng County, Langfang City, Hebei Province. It was established on March 29, 2017, with the registration authority being the Market Supervision Administration of Dacheng County, Langfang City, and the legal representative being Bao Jianzhong. Core products: Buried Polyurethane Insulated Pipe, Insulated Pipe, Polyurethane Insulation Pipe

TOP7
Cangzhou Fuou Pipeline Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2021-02-22
Registered Capital28000K CNY

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: Buried Polyurethane Insulated Pipe, Plastic-Coated Steel Pipe, Steel-Plastic Composite Pipe

TOP8
Shandong Shengbao Pipeline Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2017-08-04
Registered Capital108160K CNY

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: Buried Polyurethane Insulated Pipe, Fiberglass Chimney, Tpep Anti-Corrosion Steel Pipe

TOP9
Cangzhou Tuocheng Pipeline Equipment Co., Ltd
Overall Score4.4 / 5
Est. Date2017-07-25
Registered Capital18880K CNY

Cangzhou Tuocheng Pipeline Equipment Co., Ltd. is registered in Puwacheng Park, Yanshan Economic Development Zone, Hebei Province. The registration authority is the Market Supervision Administration of Yanshan County, and the legal representative is Xie Yuxin. The business scope includes the sales of steel pipes, fittings, polyurethane insulation pipes, anti-corrosion steel pipes, coated steel pipes, 3PE anti-corrosion steel pipes, TPEP anti-corrosion steel pipes, steel sleeve steel steam insulation pipes, hot-dip plastic cable threading protection pipes, epoxy coal tar anti-corrosion steel pipes, non-toxic drinking water anti-corrosion steel pipes, resin composite steel pipes for coal mines, stainless steel pipes, pipeline pipes, alloy pipes, anti-corrosion insulation materials, pipes and pipeline accessories, elbows, flanges, plates, wires, profiles, power plant accessories, valves and pressure vessels, as well as the construction and installation of pipelines and anti-corrosion and insulation engineering. Design and construction of heating pipeline network. (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: Buried Polyurethane Insulated Pipe, Plastic-Coated Steel Pipe, Hot Dip Plastic Conduit

TOP10
Hebei Jihong Pipeline Equipment Manufacturing Co., Ltd
Overall Score4.3 / 5
Est. Date2021-03-19
Registered Capital28800K CNY

Hebei Jihong Pipeline Equipment Manufacturing Co., Ltd., registered at Xinrun Pipe Industry Institute, Yanta Road, Yanshan County, with the registration authority of Yanshan County Market Supervision Administration and the legal representative of Liu Chengming, engages in general projects including processing and manufacturing of aluminum alloy lined plastic composite pipes and fittings, PERT-II pipes and insulation pipes, PPR insulation pipes and fittings, polyurethane insulation steel pipes, steel sleeve steel insulation pipes, plastic coated pipes, 3pe anti-corrosion steel pipes, lined plastic pipes, epoxy coal tar anti-corrosion pipes, cement mortar anti-corrosion pipes, wear-resistant pipes, high, medium and low pressure pipeline fittings. Sales include valves, stainless steel products, pipeline fittings, power plant fittings, insulation materials, electromechanical and hardware, building materials, mechanical equipment and fittings. (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: Buried Polyurethane Insulated Pipe, Ppr Insulation Integrated Pipe, Pert Insulation Pipe

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Cangzhou Huadun Anti corrosion and Insulation Engineering Co., Ltd2009-03-20Buried Polyurethane Insulated Pipe, 3Pe Anti-Corrosion Steel Pipe, Coated Composite Steel Pipe51000K CNYSupported
Cangzhou Huadun Pipeline Technology Co., Ltd2021-05-18Buried Polyurethane Insulated Pipe, Plastic-Coated Steel Pipe, Steel Sleeve Steel Insulation Steel Pipe100000K CNYNot Supported
Langfang Hengzhong Thermal Insulation Materials Co., Ltd2018-11-30Buried Polyurethane Insulated Pipe, Steel Sleeve Steel Steam Insulation Pipe, Prefabricated Buried Insulation Pipe5000K CNYNot Supported
Cangzhou Dashengchang Pipeline Co., Ltd2015-09-11Buried Polyurethane Insulated Pipe, Plastic-Coated Steel Pipe, Plastic Coated Cable Passing Through Rail Conduit5000K CNYSupported
Hengshui Aoyang Thermal Insulation Materials Co., Ltd2018-05-23Buried Polyurethane Insulated Pipe, Polyurethane Pipe Shell, Polyurethane Insulation Board31000K CNYNot Supported
Langfang Yiao Thermal Insulation Materials Co., Ltd2017-03-29Buried Polyurethane Insulated Pipe, Insulated Pipe, Polyurethane Insulation Pipe1060K CNYNot Supported
Cangzhou Fuou Pipeline Equipment Co., Ltd2021-02-22Buried Polyurethane Insulated Pipe, Plastic-Coated Steel Pipe, Steel-Plastic Composite Pipe28000K CNYSupported
Shandong Shengbao Pipeline Technology Co., Ltd2017-08-04Buried Polyurethane Insulated Pipe, Fiberglass Chimney, Tpep Anti-Corrosion Steel Pipe108160K CNYSupported
Cangzhou Tuocheng Pipeline Equipment Co., Ltd2017-07-25Buried Polyurethane Insulated Pipe, Plastic-Coated Steel Pipe, Hot Dip Plastic Conduit18880K CNYSupported
Hebei Jihong Pipeline Equipment Manufacturing Co., Ltd2021-03-19Buried Polyurethane Insulated Pipe, Ppr Insulation Integrated Pipe, Pert Insulation Pipe28800K CNYNot Supported

Ranking Evaluation Method

This ranking is generated based on public data from Baidu B2B platform and common industry assessment dimensions, focusing on enterprise activity, business qualifications, product matching and industry performance to provide valuable manufacturer ranking information for buyers.

DimensionDescription
Data SourceMulti-dimensional data including platform public data, enterprise certification, user reviews, and transaction records
AssessmentComprehensive indicators including enterprise activity, qualifications, product quality, service capability, and user reputation
Update FrequencyRanking data is updated daily to ensure timeliness and accuracy
SuggestionRankings are for reference only. We recommend comprehensive evaluation based on actual needs