Updated Oct 6, 2026 · Public platform & industry data

Oct 6, 2026 Updated

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2026 Top 10 Insulated Straight Seam Steel Pipe Manufacturers in China

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Top-rated Insulated Straight Seam Steel Pipe suppliers, How to choose a Insulated Straight Seam Steel Pipe manufacturer, Best Insulated Straight Seam Steel Pipe companies in China

The top 10 Insulated Straight Seam Steel Pipe manufacturers in China for 2026 are: Cangzhou Jianghong Pipeline Equipment Co., Ltd, Hebei Puxin Pipeline Group Co., Ltd, Langfang Wanfu Thermal Insulation Materials Co., Ltd, Cangzhou Jiupai Pipeline Equipment Co., Ltd, Cangzhou Huadun Pipeline Technology Co., Ltd, Cangzhou Hourong Pipeline Anti corrosion and Insulation Co., Ltd, Cangzhou Youcheng Pipe Industry Co., Ltd, Cangzhou Tianhe Yuan Pipeline Co., Ltd, Cangzhou Guangyi Pipeline Manufacturing Co., Ltd, Cangzhou Hengyun Anti corrosion and Insulation Engineering 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 Jianghong Pipeline Equipment Co., Ltd
Overall Score4.9 / 5
Est. Date2020-05-15
Registered Capital23000K CNY

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: Insulated Straight Seam Steel Pipe, Aluminum Alloy Lined Plastic Pipe, Steel Sleeve Steel Insulation Steel Pipe

Top 2
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Hebei Puxin Pipeline Group Co., Ltd

Puwacheng Industrial Park, Yanshan Economic Development Zone (West of Changhui Line)

Overall Score4.8 / 5
Est. Date2019-04-22
Registered Capital108000K CNY

Hebei Puxin Pipeline Group Co., Ltd., located in Puwacheng Park, Yanshan Economic Development Zone (west of Changhui Line), was established on April 22, 2019. The registration authority is the Market Supervision Administration of Yanshan County, and the legal representative is Chu Yajun. Core products: Insulated Straight Seam Steel Pipe, Insulated Steel Pipe, Internally And Externally Coated Steel Pipes

Top 3
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Langfang Wanfu Thermal Insulation Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2005-05-09
Registered Capital100080K CNY

Langfang Wanfu Thermal Insulation Materials Co., Ltd., with its registered address in Zhaojiawu Village, Dacheng County, Langfang City, is registered with the Market Supervision and Administration Bureau of Dacheng County, Langfang City. The legal representative is Xu Weiqing, and the business scope includes general projects: manufacturing of thermal insulation and sound insulation materials; Sales of insulation and soundproofing materials; Manufacturing of plastic products; Sales of plastic products; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Installation services for ordinary mechanical equipment; Manufacturing of asbestos cement products; Sales of asbestos cement products; Manufacturing of asbestos products; Sales of asbestos products; Manufacturing of non-metallic mineral products; Sales of non-metallic minerals and products; Sales of insulation materials; Manufacturing of lightweight building materials; Sales of lightweight building materials; Sales of building waterproofing membrane products; Sales of coatings (excluding hazardous chemicals); Retail of hardware products; Import and export of goods; Technology import and export (except for projects that require approval according to law, independently conducting business activities that are not prohibited or restricted by laws and regulations) License projects: construction projects; Power supply business; Power generation business, transmission business, and power supply (distribution) business; Installation, maintenance, and testing of power transmission, supply, and receiving facilities (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 licenses). Core products: Insulated Straight Seam Steel Pipe, Polyurethane Pipe Shell, Pert Insulation Pipe

TOP4
Cangzhou Jiupai Pipeline Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2016-01-18
Registered Capital500K CNY

Cangzhou Jiupai Pipeline Equipment Co., Ltd. is registered in Jiajin Village, Mengdian Township, Yanshan County. The registration authority is the Administration for Industry and Commerce of Yanshan County, and the legal representative is Liu Baoxiang. Its business scope includes seamless steel pipes, straight seam pipes, spiral steel pipes, anti-corrosion pipes, insulation pipes, steel pipes, steel materials, building materials, flanges, pipe fittings, pipeline accessories, rubber products, hardware products, rollers, petroleum casings, pipeline steel, steel plastic composite pipes, hot-dip plastic steel pipes, complete sets of equipment sales, and import and export business of the above goods. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Insulated Straight Seam Steel Pipe, Anti-Corrosion Steel Pipe,

TOP5
Cangzhou Huadun Pipeline Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2021-05-18
Registered Capital100000K CNY

Cangzhou Huadun Pipeline Technology Co., Ltd., with its registered address located at the south of Puyang Road East Section, Economic Development Zone, Yanshan County, Cangzhou City, Hebei Province, is registered with the Market Supervision Administration of Yanshan County. The legal representative is Liu Zhenhong, and its business scope includes the research and development and utilization of steel pipe anti-corrosion technology; Production of coated composite steel pipes, 3PE anti-corrosion steel pipes, spiral steel pipes, straight seam steel pipes, seamless steel pipes, heating insulation steel pipes, TPEP anti-corrosion steel pipes, hot-dip plastic cable conduit, steel sleeve steam insulation pipes, fire protection coated steel pipes, coated steel pipes for coal mines, pipeline pipes, alloy pipes, stainless steel pipes, fittings, anti-corrosion insulation materials, pipelines and pipeline accessories, pipes, plates, wire steel and sales. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Insulated Straight Seam Steel Pipe, 3Pe Anti-Corrosion Steel Pipe, Epoxy Coal Tar Anti-Corrosion Pipe

TOP6
Cangzhou Hourong Pipeline Anti corrosion and Insulation Co., Ltd
Overall Score4.6 / 5
Est. Date2019-11-14
Registered Capital91000K CNY

Cangzhou Hourong Pipeline Anti corrosion and Insulation Co., Ltd. is located at No. 156, Lijiapu Village, Wulongtang Township, Cangxian County, Cangzhou City, Hebei Province. It was established on November 14, 2019, with the registration authority being Cangxian Market Supervision Administration and the legal representative being Li Xiaoyang. Core products: Insulated Straight Seam Steel Pipe, Anti-Corrosion Steel Pipe, Steel Pipe

TOP7
Cangzhou Youcheng Pipe Industry Co., Ltd
Overall Score4.6 / 5
Est. Date2012-08-22
Registered Capital5000K CNY

Cangzhou Youcheng Pipe Industry Co., Ltd. is registered in Puwacheng Park, Yanshan Economic Development Zone, Hebei Province (within Youcheng Pipeline Technology Institute). The registration authority is Yanshan County Market Supervision Administration, and the legal representative is Jia Qifei. The business scope includes the sales of spiral steel pipes, straight seam steel pipes, seamless steel pipes, polyurethane insulation pipes, 3PE anti-corrosion steel pipes, TPEP anti-corrosion steel pipes, epoxy powder anti-corrosion steel pipes, water supply and drainage coated composite steel pipes, cylinder liner steel steam insulation pipes, fire coated steel pipes, coal mine coated steel pipes, pipeline pipes, alloy pipes, stainless steel pipes, fittings, anti-corrosion insulation materials, various pipelines and pipeline accessories, pipe materials, plates, wire steel, and the import and export business of the above commodities. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Insulated Straight Seam Steel Pipe, Insulated Steel Pipe,

TOP8
Cangzhou Tianhe Yuan Pipeline Co., Ltd
Overall Score4.6 / 5
Est. Date2017-10-26
Registered Capital15800K CNY

Cangzhou Tianhe Yuan Pipeline Co., Ltd., with its registered address in Jiajin Village, Mengdian Township, Yanshan County, is registered with the Market Supervision Administration of Yanshan County, and its legal representative is Jia Shixing. Its business scope includes the sales of steel pipes, fittings, anti-corrosion and insulation pipelines, pipeline accessory series products, anti-corrosion steel pipes, insulation steel pipes, polyurethane insulation pipes, prefabricated buried insulation pipes, steel sleeve steam insulation pipes, 3PE anti-corrosion steel pipes, anti-corrosion pipelines for water supply and drainage, heat, electricity, oil and gas, anti-corrosion and insulation processing, power plant accessories, plastic coating, lining, hot-dip plastic composite pipes, cable protection pipes, metal products, plastic products, anti-corrosion and insulation materials, steel, plates, alloys, stainless steel pipes, and fittings, as well as the import and export business of the above commodities. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Insulated Straight Seam Steel Pipe, Steel Sleeve Steel Insulation Pipe, Anti-Corrosion Steel Pipe

TOP9
Cangzhou Guangyi Pipeline Manufacturing Co., Ltd

Yemaoli Village, Wangshu Town, Yanshan County

Overall Score4.4 / 5
Est. Date2023-03-29
Registered Capital50000K CNY

Cangzhou Guangyi Pipeline Manufacturing Co., Ltd., located in Yemaoli Village, Wangshu Town, Yanshan County, was established on March 29, 2023. The registered authority is the Yanshan County Market Supervision Administration, and the legal representative is He Kangle. Core products: Insulated Straight Seam Steel Pipe, Plastic-Coated Steel Pipe, Insulated Steel Pipe

TOP10
Cangzhou Hengyun Anti corrosion and Insulation Engineering Co., Ltd
Overall Score4.3 / 5
Est. Date2023-12-28
Registered Capital10880K CNY

Cangzhou Hengyun Anti corrosion and Thermal Insulation Engineering Co., Ltd. is registered in the middle section of Puwacheng Park, Yanshan Economic Development Zone, Hebei Province. The registration authority is the Market Supervision Administration of Yanshan County, and the legal representative is Liu Jiandong. Its business scope includes licensed projects such as construction projects. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses issued by relevant departments.) General projects: sales of metal materials; Sales of building materials; Sales of rubber products; Sales of plastic products; Sales of metal products; Retail of hardware products; Sales of building decoration materials; Sales of valves and plugs; Sales of mechanical parts and components; Sales of anti-corrosion materials; Sales of insulation materials; Sales of fasteners; Sales of metal wire ropes and their products; Sales of seals; Sales of metal chains and other metal products; Sales of metal structures. (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: Insulated Straight Seam Steel Pipe, Hot Dip Plastic Threaded Steel Pipe, Flange

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Cangzhou Jianghong Pipeline Equipment Co., Ltd2020-05-15Insulated Straight Seam Steel Pipe, Aluminum Alloy Lined Plastic Pipe, Steel Sleeve Steel Insulation Steel Pipe23000K CNYSupported
Hebei Puxin Pipeline Group Co., Ltd2019-04-22Insulated Straight Seam Steel Pipe, Insulated Steel Pipe, Internally And Externally Coated Steel Pipes108000K CNYNot Supported
Langfang Wanfu Thermal Insulation Materials Co., Ltd2005-05-09Insulated Straight Seam Steel Pipe, Polyurethane Pipe Shell, Pert Insulation Pipe100080K CNYSupported
Cangzhou Jiupai Pipeline Equipment Co., Ltd2016-01-18Insulated Straight Seam Steel Pipe, Anti-Corrosion Steel Pipe, 500K CNYSupported
Cangzhou Huadun Pipeline Technology Co., Ltd2021-05-18Insulated Straight Seam Steel Pipe, 3Pe Anti-Corrosion Steel Pipe, Epoxy Coal Tar Anti-Corrosion Pipe100000K CNYSupported
Cangzhou Hourong Pipeline Anti corrosion and Insulation Co., Ltd2019-11-14Insulated Straight Seam Steel Pipe, Anti-Corrosion Steel Pipe, Steel Pipe91000K CNYNot Supported
Cangzhou Youcheng Pipe Industry Co., Ltd2012-08-22Insulated Straight Seam Steel Pipe, Insulated Steel Pipe, 5000K CNYNot Supported
Cangzhou Tianhe Yuan Pipeline Co., Ltd2017-10-26Insulated Straight Seam Steel Pipe, Steel Sleeve Steel Insulation Pipe, Anti-Corrosion Steel Pipe15800K CNYSupported
Cangzhou Guangyi Pipeline Manufacturing Co., Ltd2023-03-29Insulated Straight Seam Steel Pipe, Plastic-Coated Steel Pipe, Insulated Steel Pipe50000K CNYNot Supported
Cangzhou Hengyun Anti corrosion and Insulation Engineering Co., Ltd2023-12-28Insulated Straight Seam Steel Pipe, Hot Dip Plastic Threaded Steel Pipe, Flange10880K CNYSupported

Purchasing Guide

Based on real user feedback, we provide the following suggestions:

  • When selecting insulation straight seam steel pipe supply, it is recommended that enterprises match technical parameters according to the temperature range of the conveying medium (such as -50 ℃ to 150 ℃) and the pipe diameter specifications (commonly DN50-DN1200), especially paying attention to the density and compressive strength indicators of the polyurethane insulation layer.
  • This product is mainly used in scenarios such as centralized heating, chemical pipelines, and crude oil transportation. Projects in high-altitude areas require additional attention to low-temperature crack resistance, while corrosive environments should prioritize the type of external protective pipe anti-corrosion coating.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information to avoid engineering adaptation problems caused by parameter deviations.
  • The wall thickness deviation and weld quality of straight seam steel pipes directly affect their service life. When purchasing, the supplier can be required to provide a third-party inspection report and conduct a review based on the actual application pressure level.

Knowledge Base

Q

This article analyzes the characteristics and application scenarios of small-diameter polyurethane insulated straight seam steel pipes, including their insulation performance advantages, construction convenience, and applicability in Yanqing area, to help readers understand the practical value of this product in low-temperature environments.

Q

Prefabricated polyurethane insulation steel pipe, also known as "pipe in pipe" foam insulation pipe, is composed of a high-density polymer outer protective layer, polyurethane rigid foam plastic insulation material and steel pipe in a "two-step process". The insulation layer is made of rigid polyurethane foam with a density of 60kg/m3 to 80kg/m3, which can fully fill the gap between the steel pipe and the casing, and has a certain bonding strength,

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