Updated Oct 10, 2026 · Public platform & industry data

Oct 10, 2026 Updated

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2026 Top 10 Polyurethane Insulated Elbow Manufacturers in China

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

The top 10 Polyurethane Insulated Elbow manufacturers in China for 2026 are: Hebei Yunkai Steel Plastic Pipe Industry Co., Ltd, Zaoqiang County Hengtai Fiberglass Products Factory, Jiangsu Dongken New Materials Co., Ltd, Cangzhou Tianhe Yuan Pipeline Co., Ltd, Cangzhou Boxin Pipeline Manufacturing Co., Ltd, Cangzhou Zekang Pipeline Equipment Co., Ltd, Hebei Yuanfeng Pipeline Engineering Co., Ltd, Hebei Ransheng Pipeline Manufacturing Co., Ltd, Hebei Yuedong Pipeline Equipment Co., Ltd, Hebei Yuechang Pipeline 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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Hebei Yunkai Steel Plastic Pipe Industry Co., Ltd

South Section of Fengze Street, Luancheng District, Shijiazhuang City (South of Zhaojiazhuang Village)

Overall Score4.9 / 5
Est. Date2008-01-27
Registered Capital60000K CNY

Hebei Yunkai Steel Plastic Pipe Industry Co., Ltd. is located in the southern section of Fengze Street, Luancheng District, Shijiazhuang City (south of Zhaojiazhuang Village). It was established on January 27, 2008, with the registration authority of Luancheng District Market Supervision Administration and the legal representative being Zhang Subin. Core products: Polyurethane Insulated Elbow, Double-Wall Corrugated Pipe, Large Diameter Steel Pipe

Top 2
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Zaoqiang County Hengtai Fiberglass Products Factory

East Gate of Shengli North Road No. 4 Middle School, Zaoqiang County, Hengshui City, Hebei Province

Overall Score4.7 / 5
Est. Date2016-04-01
Registered Capital-

Hengtai Fiberglass Products Factory in Zaoqiang County, Hengshui City, Hebei Province, is located at the east gate of Shengli North Road No. 4 Middle School in Zaoqiang County. It was established on April 1, 2016 and registered with the Market Supervision Administration of Zaoqiang County, Hengshui City. The legal representative is Yin Liyang. Core products: Polyurethane Insulated Elbow, Frp Pipe Fittings, Fiberglass Pump Station

Top 3
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Jiangsu Dongken New Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2014-07-24
Registered Capital10010K CNY

Jiangsu Dongken New Materials Co., Ltd., with its registered address at No. 59 Yushi Street, Xuanwu District, Nanjing City, is registered with the Market Supervision and Administration Bureau of Xuanwu District, Nanjing City. The legal representative is Yang Kang, and the business scope includes licensed projects: electrical installation services (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results). General projects: new material technology promotion services; Manufacturing of electrical instruments and meters; Instrument and meter repair; Manufacturing of instruments and meters; Sealing component manufacturing; Manufacturing of electrical accessories; Mechanical parts and component processing; Manufacturing of general components; Manufacturing of automotive parts and accessories; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Manufacturing of motorcycle spare parts; Operation of wires and cables; Fastener manufacturing; Manufacturing of synthetic materials (excluding hazardous chemicals); Manufacturing of plastic products; Manufacturing of mechanical and electrical equipment; Manufacturing of power facilities and equipment; Manufacturing of distribution switch control equipment; Manufacturing of fiberglass and related products; Manufacturing of photovoltaic equipment and components; Residential water and electricity installation and maintenance services; Installation services for ordinary mechanical equipment; General equipment manufacturing (excluding special equipment manufacturing); General equipment repair; Import and export of goods; Technology import and export (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Core products: Polyurethane Insulated Elbow, Flange Ball Valve, Check Valve

TOP4
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: Polyurethane Insulated Elbow, Plastic-Coated Steel Pipe, Steel Sleeve Steel Insulation Pipe

TOP5
Cangzhou Boxin Pipeline Manufacturing Co., Ltd
Overall Score4.6 / 5
Est. Date2017-12-05
Registered Capital3500K CNY

Cangzhou Boxin Pipeline Manufacturing Co., Ltd., with its registered address at Wuliyao, Yanshan County, 1000 meters north of the North Ring Road, is registered with the Market Supervision Administration of Yanshan County. The legal representative is Gaoxin Shuai, and its business scope includes manufacturing and processing pipeline fittings and various engineering pipeline fittings, as well as anti-corrosion and insulation of pipeline fittings; Sell various types of steel, hardware, and tools. 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: Polyurethane Insulated Elbow, Large Flange, Alloy Thick Walled Elbow

TOP6
Cangzhou Zekang Pipeline Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2017-12-20
Registered Capital51680K CNY

Cangzhou Zekang Pipeline Equipment Co., Ltd., with its registered address located 500 meters southwest of the 205 National Highway Toll Station in Yanshan County, Cangzhou City, Hebei Province, is registered with the Yanshan County Market Supervision Administration. The legal representative is Ren Chunqing, and its business scope includes manufacturing wear-resistant pipelines, plastic lined pipelines, anti-corrosion pipelines, industrial ceramic accessories, concrete pump accessories, cast iron pipelines, cast steel pipelines, ultra-high molecular weight polyethylene pipelines, polyethylene pipelines, insulation pipelines, carbon steel, stainless steel, alloy steel pipe fittings, flanges, reducers, pipeline equipment, chemical machinery equipment, manhole flanges, steel pipes, and steel plates; Selling waterproof materials and waterproof engineering construction; To engage in the export business of self-produced products and technologies of our enterprise, as well as the import and export business of mechanical equipment, spare parts, raw and auxiliary 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: Polyurethane Insulated Elbow, , Rare Earth Alloy

TOP7
Hebei Yuanfeng Pipeline Engineering Co., Ltd
Overall Score4.5 / 5
Est. Date2021-03-25
Registered Capital22180K CNY

Hebei Yuanfeng Pipeline Engineering Co., Ltd., with its registered address at Room 501, Unit 1, Building 34, Wanhe Classic, No. 217 Yuquan Road, Shangzhuang Town, Luquan District, Shijiazhuang City, Hebei Province, is registered with the Luquan District Market Supervision and Administration Bureau. The legal representative is Xu Rui, and the business scope includes pipeline and equipment installation. Construction of pipeline engineering (excluding pressure pipelines), anti-corrosion and insulation engineering, processing (limited to branch operations only), production (limited to branch operations only), sales of pipelines and fittings, sales of building materials, chemical products and raw materials (excluding hazardous chemicals and precursor drugs), import and export of goods or technologies (excluding goods and technologies prohibited by the state or involving administrative approval). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Polyurethane Insulated Elbow, Steel Sleeve Steel Steam Insulation Pipe, Prefabricated Insulation Pipe

TOP8
Hebei Ransheng Pipeline Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2018-08-15
Registered Capital18800K CNY

Hebei Ransheng Pipeline Manufacturing Co., Ltd., with its registered address at Zhangguandian Market South Section Road East, Xindian Town, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Mengcun Hui Autonomous County. The legal representative is Yang Jian, and its business scope includes the production and sales of steel pipes, fittings, elbows, flanges, tees, reducers, heads, bends, and pipeline equipment; Sales: forgings, valves, gaskets, manholes, compensators, fire accessories, pipes, steel, anti-corrosion and insulation pipes and fittings, wear-resistant fittings, sign posts, power plant accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Polyurethane Insulated Elbow, Compensator, Rubber Flexible Joint

TOP9
Hebei Yuedong Pipeline Equipment Co., Ltd
Overall Score4.3 / 5
Est. Date2021-07-27
Registered Capital11680K CNY

Hebei Yuedong Pipeline Equipment Co., Ltd. is registered at 300 meters east of the intersection of Xinman Road and Zhaozhuang Road in Mengcun Hui Autonomous County, Cangzhou City, Hebei Province. The registration authority is the Market Supervision Administration of Mengcun Hui Autonomous County, and the legal representative is Lv Jianfei. The business scope includes building decoration and manufacturing of plumbing pipeline parts. Manufacturing and sales: pipe fittings, pipeline equipment; Anti corrosion and insulation of pipelines and fittings; Sales: Steel, sheet, wire, profiles, supports and hangers, green building materials, rubber products, mechanical equipment and accessories, compensators, flexible joints, waterproof sleeves, valves. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Polyurethane Insulated Elbow, , Corrosion Resistant Pipeline Elbow

TOP10
Hebei Yuechang Pipeline Manufacturing Co., Ltd
Overall Score4.3 / 5
Est. Date2021-07-08
Registered Capital5000K CNY

Hebei Yuechang Pipeline Manufacturing Co., Ltd., with its registered address located 50 meters southwest of the G338 auxiliary road intersection of Yanshan North Second Ring Road in Yanshan County, is registered with the Yanshan County Market Supervision and Administration Bureau, and its legal representative is Fu Hongxu. Its business scope includes manufacturing and processing: flanges, elbows, tees, manholes, steel pipe fittings, wear-resistant pipelines, plastic lined insulation pipelines, 3PE anti-corrosion steel pipes, TPEP anti-corrosion steel pipes, epoxy powder anti-corrosion steel pipes, epoxy coal tar anti-corrosion steel pipes, cast iron and cast steel pipelines, gaskets, spring supports and hangers, standard parts, valves, concrete pump fittings, conveyor machinery and equipment, corrugated compensators, miscellaneous items for power plants, gas fire extinguishing fittings, metal hoses, quick connectors, gas collection pipes, fasteners, stainless steel fittings, groove fittings. Bending pipes, power plant accessories, fire-fighting equipment; Sales: Spiral steel pipe, straight seam steel pipe, seamless steel pipe, petroleum casing, polyurethane insulated steel pipe, anti-corrosion steel pipe, pipeline pipe, alloy pipe, stainless steel pipe, anti-corrosion insulation material, building material, steel, metal material, labor protection equipment, hardware and electromechanical, pump pipe, rubber hose, bimetallic composite pipeline, sports equipment, machine tool accessories, power equipment, environmental protection equipment and accessories; Leasing construction machinery and equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Polyurethane Insulated Elbow, Big End And Small End, Sleeve

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Yunkai Steel Plastic Pipe Industry Co., Ltd2008-01-27Polyurethane Insulated Elbow, Double-Wall Corrugated Pipe, Large Diameter Steel Pipe60000K CNYSupported
Zaoqiang County Hengtai Fiberglass Products Factory2016-04-01Polyurethane Insulated Elbow, Frp Pipe Fittings, Fiberglass Pump Station-Supported
Jiangsu Dongken New Materials Co., Ltd2014-07-24Polyurethane Insulated Elbow, Flange Ball Valve, Check Valve10010K CNYNot Supported
Cangzhou Tianhe Yuan Pipeline Co., Ltd2017-10-26Polyurethane Insulated Elbow, Plastic-Coated Steel Pipe, Steel Sleeve Steel Insulation Pipe15800K CNYSupported
Cangzhou Boxin Pipeline Manufacturing Co., Ltd2017-12-05Polyurethane Insulated Elbow, Large Flange, Alloy Thick Walled Elbow3500K CNYNot Supported
Cangzhou Zekang Pipeline Equipment Co., Ltd2017-12-20Polyurethane Insulated Elbow, , Rare Earth Alloy51680K CNYSupported
Hebei Yuanfeng Pipeline Engineering Co., Ltd2021-03-25Polyurethane Insulated Elbow, Steel Sleeve Steel Steam Insulation Pipe, Prefabricated Insulation Pipe22180K CNYNot Supported
Hebei Ransheng Pipeline Manufacturing Co., Ltd2018-08-15Polyurethane Insulated Elbow, Compensator, Rubber Flexible Joint18800K CNYSupported
Hebei Yuedong Pipeline Equipment Co., Ltd2021-07-27Polyurethane Insulated Elbow, , Corrosion Resistant Pipeline Elbow11680K CNYNot Supported
Hebei Yuechang Pipeline Manufacturing Co., Ltd2021-07-08Polyurethane Insulated Elbow, Big End And Small End, Sleeve5000K CNYSupported

Purchasing Guide

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

  • When purchasing polyurethane insulated elbows, it is usually necessary to focus on product specifications, such as pipe diameter range, insulation layer thickness, and temperature resistance performance, which directly affect their applicability in petroleum pipelines or central heating systems.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. Such suppliers can better meet the requirements of chemical or municipal engineering for elbow sealing and durability.
  • For scenarios such as low-temperature logistics or industrial steam pipelines, it is recommended to verify the compressive strength and heat loss coefficient of polyurethane insulated elbows to ensure their long-term stable operation under specific working conditions.
  • When evaluating suppliers, industry platforms can be used to compare the stability of enterprise supply through statistical information, especially for energy infrastructure projects that require bulk procurement.

Knowledge Base

Q

This article analyzes the production process, performance advantages, and application scenarios of directly buried polyurethane insulated elbows, helping readers understand the core value and implementation points of this efficient pipeline insulation solution.

Q

What is the polyurethane insulation elbow sleeve, how to make it, and where to buy it? Next, we will follow the steps of "structure definition → production process → mainstream types → price and procurement channels". 🧩 What is polyurethane insulation elbow sleeve? Firstly, the conclusion is that the polyurethane insulation elbow sleeve is an integrated structure of the outer protective layer and foam insulation layer of the prefabricated buried insulation elbow, with the core function of waterproofing

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