Updated Oct 24, 2026 · Public platform & industry data

Oct 24, 2026 Updated

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2026 Top 10 Variable Diameter Elbow Manufacturers in China

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Top-rated Variable Diameter Elbow suppliers, How to choose a Variable Diameter Elbow manufacturer, Best Variable Diameter Elbow companies in China

The top 10 Variable Diameter Elbow manufacturers in China for 2026 are: Hebei Fangqing Pipeline Manufacturing Co., Ltd, Zhejiang Juhengyuan Pipe Industry Co., Ltd, Shanghai Haifei Control Equipment Co., Ltd, Boluodi Technology Jiangsu Co., Ltd, Sichuan Chisheng Electrical Equipment Co., Ltd, Guangdong Lecong Steel World Co., Ltd, Jianhu Shangjia New Materials Co., Ltd, Jiangsu Dongken New Materials Co., Ltd, Jiangsu Quanhao Iron and Steel Industry Co., Ltd, Cangzhou Yundong Pipe Fitting 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 Fangqing Pipeline Manufacturing Co., Ltd
Overall Score4.9 / 5
Est. Date2013-09-03
Registered Capital10900K CNY

Hebei Fangqing Pipeline Manufacturing Co., Ltd., with its registered address in Puwa Development Zone, Yanshan County, is registered with the Market Supervision and Administration Bureau of Yanshan County, and its legal representative is Zhang Fang. Its business scope includes manufacturing elbows, tees, flanges, reducers, spring supports and hangers, pipe clamps, manholes, anti-corrosion, wear-resistant, insulation pipelines, fittings, filters, metal hoses, insulation joints, insulation flanges, air doors, power plant accessories, rubber soft joints, compensators, and waterproof sleeves. Sales of valves, plumbing fittings, groove fittings, hardware, PE fittings, gaskets, insulation materials, bolts, cable trays, heads, and pipe caps. To engage in the export business of self-produced products and technologies of the enterprise, as well as the import business of machinery, equipment, components, raw materials, and technologies required by the 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: Variable Diameter Elbow, Pipe Clamp, Head

Top 2
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Zhejiang Juhengyuan Pipe Industry Co., Ltd
Overall Score4.7 / 5
Est. Date2010-01-19
Registered Capital55800K CNY

Zhejiang Juhengyuan Pipe Industry Co., Ltd., with its registered address in Xiguan Village, Pengxi Town, Taishun County, Wenzhou City, Zhejiang Province, is registered with the Taishun County Market Supervision and Administration Bureau. The legal representative is Xiang Keyuan, and its business scope includes general projects such as metal structure sales; Manufacturing of metal structures; Sales of sanitary ware; Manufacturing of sanitary ware; Sales of valves and plugs; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Valve and plug research and development; Installation services for ordinary mechanical equipment; Import and export of goods; Technology import and export (except for projects that require approval according to law, business activities are carried out independently based on the business license in accordance with the law). Licensed project: Manufacturing of special equipment; Installation, renovation, and repair of special equipment; Construction project construction; Construction professional operations; Construction labor subcontracting (projects that require approval according to law can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results).. Core products: Variable Diameter Elbow, Double Press Fitting, Stainless Steel Water Pipe

Top 3
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Shanghai Haifei Control Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2011-11-02
Registered Capital5000K CNY

Shanghai Haifei Control Equipment Co., Ltd., located at Room 127, Building 1, No. 943 Lingzhi Village, Fengpu Development Zone, Fengxian District, Shanghai, was established on November 2, 2011. The registration authority is the Fengxian District Market Supervision Administration, and the legal representative is Ding Bangfu. Core products: Variable Diameter Elbow, Parker Instrument Pipe Valve Components, Parker Fluid Control Valve

TOP4
Boluodi Technology Jiangsu Co., Ltd

No. 188 Donglang Road, Donggang Town, Xishan District, Wuxi City

Overall Score4.6 / 5
Est. Date2018-08-27
Registered Capital10000K CNY

Boluodi Technology Jiangsu Co., Ltd., located at No. 188 Donglang Road, Donggang Town, Xishan District, Wuxi City, was established on August 27, 2018. The registration authority is the Xishan District Administrative Approval Bureau of Wuxi City, and the legal representative is Hui Chengguang. Core products: Variable Diameter Elbow, Stainless Steel Anode Tube, Stainless Steel Coil

TOP5
Sichuan Chisheng Electrical Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2019-11-25
Registered Capital10000K CNY

Sichuan Chisheng Electrical Equipment Co., Ltd., registered at Group 3, Tanlin Village, Beiwai Township, Guanghan City, Deyang City, Sichuan Province, with the registration authority of Guanghan Market Supervision Administration and the legal representative of Tu Taihui, operates in the manufacturing of electrical machinery and equipment; Manufacturing of metal structures; Manufacturing of metal processing machinery; Black metal casting; Manufacturing of forgings and powder metallurgy products; Sales of mechanical equipment, hardware products, and electronic products; Wholesale of metals and metal ores (excluding hazardous chemicals); Selling building materials. (The above business scope does not include projects prohibited or restricted by the state, nor does it include sand and gravel processing and operation) (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Variable Diameter Elbow, Galvanized Cable Tray, Low Voltage Cable

TOP6
Guangdong Lecong Steel World Co., Ltd
Overall Score4.5 / 5
Est. Date2009-03-25
Registered Capital11000K CNY

Guangdong Lecong Steel World Co., Ltd., with its registered address at 1st Floor, Building 1, Guotong Chuangke Park, No.1 Gangfu Road, Lecong Town, Shunde District, Foshan City, Guangdong Province, is registered with the Market Supervision and Administration Bureau of Shunde District, Foshan City. The legal representative is Zheng Jiabin, and the business scope includes general projects such as non residential real estate leasing; Housing rental; Engaging in investment activities with self owned funds; Domestic trade agency; Advertising production; Advertising design and agency; Advertising release; Conference and exhibition services; Domestic freight forwarding agent; General cargo warehousing services (excluding projects requiring permits and approvals such as hazardous chemicals). (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Road freight transportation (excluding dangerous goods). (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: Variable Diameter Elbow, Round Steel/Square Steel/Flat Steel, Cold Rolled Coil

TOP7
Jianhu Shangjia New Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2022-12-23
Registered Capital500K CNY

Jianhu Shangjia New Materials Co., Ltd., with its registered address at Qiaoqiao South, No.9 Shiqingdang, Qingfeng East Road, Qingfeng Town, Jianhu County, is registered with the Jianhu County Administrative Approval Bureau. The legal representative is Gao Wenbin, and its business scope includes general projects such as new material technology research and development; Manufacturing of special ceramic products; Rolling and processing of non-ferrous metals; Sales of metal materials; Sales of non-ferrous metal alloys; Sales of special ceramic products; Sales of metal products (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: Variable Diameter Elbow, Bimetallic High Chromium, Self Propagating Ceramic

TOP8
Jiangsu Dongken New Materials Co., Ltd
Overall Score4.5 / 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: Variable Diameter Elbow, Internal And External Tooth Joints, Hot Melt Four-Way Pipe

TOP9
Jiangsu Quanhao Iron and Steel Industry Co., Ltd
Overall Score4.3 / 5
Est. Date2026-02-05
Registered Capital10000K CNY

Jiangsu Quanhao Iron and Steel Industry Co., Ltd., registered at No. 798 Zhongshan Road, Beidajie Street, Liangxi District, Wuxi City (cluster registration), registered with the Liangxi District Data Bureau of Wuxi City, with Deng Guozhuang as the legal representative. Its business scope includes general projects: sales of high-quality special steel materials; Sales of new metal functional materials; Sales of metal materials; Sales of metal products; Sales of metal tools; Sales of metal chains and other metal products; Sales of high-performance non-ferrous metals and alloy materials; Sales of non-ferrous metal alloys; Wholesale of hardware products; Sales of building materials; Sales of mechanical parts and components (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). Core products: Variable Diameter Elbow, Stainless Steel Air Duct, Stainless Steel Seamless Pipe

TOP10
Cangzhou Yundong Pipe Fitting Manufacturing Co., Ltd
Overall Score4.3 / 5
Est. Date2022-09-20
Registered Capital2000K CNY

Cangzhou Yundong Pipe Fitting Manufacturing Co., Ltd., with its registered address at Liutan Village East, Gaozhai Town, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province, is registered with the Market Supervision Administration of Mengcun Hui Autonomous County. The legal representative is Li Yundong, and its business scope includes general projects such as manufacturing, processing, and sales of pipe fittings and pipeline equipment; Anti corrosion and insulation of pipelines and fittings; Sales: Steel, pump pipes, valves, green building materials, hardware accessories, rubber products, pipeline accessories, mechanical equipment and accessories. (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: Variable Diameter Elbow, Flange, Welding Straight Pipe Joints

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Fangqing Pipeline Manufacturing Co., Ltd2013-09-03Variable Diameter Elbow, Pipe Clamp, Head10900K CNYSupported
Zhejiang Juhengyuan Pipe Industry Co., Ltd2010-01-19Variable Diameter Elbow, Double Press Fitting, Stainless Steel Water Pipe55800K CNYSupported
Shanghai Haifei Control Equipment Co., Ltd2011-11-02Variable Diameter Elbow, Parker Instrument Pipe Valve Components, Parker Fluid Control Valve5000K CNYNot Supported
Boluodi Technology Jiangsu Co., Ltd2018-08-27Variable Diameter Elbow, Stainless Steel Anode Tube, Stainless Steel Coil 10000K CNYSupported
Sichuan Chisheng Electrical Equipment Co., Ltd2019-11-25Variable Diameter Elbow, Galvanized Cable Tray, Low Voltage Cable10000K CNYNot Supported
Guangdong Lecong Steel World Co., Ltd2009-03-25Variable Diameter Elbow, Round Steel/Square Steel/Flat Steel, Cold Rolled Coil11000K CNYNot Supported
Jianhu Shangjia New Materials Co., Ltd2022-12-23Variable Diameter Elbow, Bimetallic High Chromium, Self Propagating Ceramic500K CNYNot Supported
Jiangsu Dongken New Materials Co., Ltd2014-07-24Variable Diameter Elbow, Internal And External Tooth Joints, Hot Melt Four-Way Pipe10010K CNYNot Supported
Jiangsu Quanhao Iron and Steel Industry Co., Ltd2026-02-05Variable Diameter Elbow, Stainless Steel Air Duct, Stainless Steel Seamless Pipe10000K CNYSupported
Cangzhou Yundong Pipe Fitting Manufacturing Co., Ltd2022-09-20Variable Diameter Elbow, Flange, Welding Straight Pipe Joints2000K CNYNot Supported

Purchasing Guide

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

  • In the actual procurement process of variable diameter elbows, it is necessary to clarify key technical parameters such as the inlet and outlet diameter size, bending angle, and material pressure bearing capacity at the pipeline connection to ensure compatibility with the existing pipeline system.
  • Variable diameter elbows are commonly used in the turning connection scenarios of chemical or petroleum pipelines. When purchasing, it is recommended to choose corrosion-resistant or high-temperature resistant materials based on the characteristics of the medium, such as stainless steel or carbon steel coated products.
  • 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 balance supply stability and technical adaptability.
  • For long-distance fluid transportation systems, it is recommended to use variable diameter elbows with uniform wall thickness and smooth inner walls to reduce pressure loss and residual medium risks, while extending the service life of components.

Knowledge Base

Q

When changing the diameter of a water pipe, it is necessary to consider factors such as the pressure and direction of the water flow, as well as whether the drainage is unobstructed. Generally, elbows are more suitable than straight connections.

Q

Variable diameter elbows in heating pipes are a commonly used method of pipe connection in heating systems. It can connect two pipes of different diameters and adjust the length and angle of the pipes.

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