Updated Aug 18, 2026 · Public platform & industry data

Aug 18, 2026 Updated

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2026 Top 10 Variable Diameter Four-Way Manufacturers in China

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

The top 10 Variable Diameter Four-Way manufacturers in China for 2026 are: Hebei Fangqing Pipeline Manufacturing Co., Ltd, Shanghai Baiyi Special Materials Co., Ltd, Shanghai Jiaguan Industrial Co., Ltd, Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd, Changzhou Gosman Pipeline Technology Co., Ltd, Guangdong Lecong Steel World Co., Ltd, Cangzhou Boxin Pipeline Manufacturing Co., Ltd, Hengtongma Steel Pipe Factory in Hedong District, Hebei Hongqin Pipeline Co., Ltd, Hebei Yuedong Pipeline Equipment 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 Four-Way, Blind Flange, Flange

Top 2
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Shanghai Baiyi Special Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2019-01-02
Registered Capital8000K CNY

Shanghai Baiyi Special Materials Co., Ltd., with its registered address at 4399 Shenshen Road, Chedun Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Bureau. The legal representative is Wu Xiaowei, and its business scope includes the sales of metal products, metal materials, steel, building materials, daily necessities, wood, fuel oil (excluding dangerous goods), lubricants, needle textiles, textile raw materials, communication equipment, leasing of self owned houses, technology development, technical consulting, technical services, technology transfer in the fields of network, computer, and information technology, business information consulting, e-commerce (excluding value-added telecommunications and financial services), professional construction of building decoration and construction projects, installation and maintenance of mechanical equipment (excluding special), and import and export of goods and technology. The sentence is:. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Diameter Four-Way, Steel Strip, Welding Support Pipe Seat

Top 3
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Shanghai Jiaguan Industrial Co., Ltd
Overall Score4.7 / 5
Est. Date2017-12-12
Registered Capital1000K CNY

Shanghai Jiaguan Industrial Co., Ltd. is registered at No. 198, Lane 200, Fangde Road, Anting Town, Jiading District, Shanghai. The registered authority is the Jiading District Market Supervision Bureau, and the legal representative is Yu Zengxia. Its business scope includes the sales of metal materials, rubber products, labor protection supplies, electrical equipment, wires and cables, lubricants, mechanical and electrical equipment, water and electricity installation, pipeline engineering (excluding special equipment), property management, motor vehicle driving services, office equipment maintenance, and business consulting. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Diameter Four-Way, Groove Pipeline Fittings, Stainless Steel Welding Accessories

TOP4
Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd
Overall Score4.6 / 5
Est. Date2009-12-11
Registered Capital5800K CNY

Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd., with its registered address located in Liutan Industrial Zone, Xinda Highway, Mengcun Hui Autonomous County. The registration authority is the Market Supervision Administration of Mengcun Hui Autonomous County, and the legal representative is Li Tingxiang. Its business scope includes the processing and sales of elbows, tees, reducers, flanges, and pipes; Manufacturing and sales of hydraulic mechanical equipment. (Projects that require approval by law can only be operated after approval by relevant departments.). Core products: Variable Diameter Four-Way, Pipe Fitting, Flange

TOP5
Changzhou Gosman Pipeline Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2018-12-10
Registered Capital10000K CNY

Changzhou Gosman Pipeline Technology Co., Ltd., with its registered address at 671 Hanjiang Road, Xinbei District, Changzhou City, Jiangsu Province, is registered with the Government Service Management Office of Changzhou High tech Industrial Development Zone (Xinbei District). The legal representative is Zou Taofeng, and its business scope includes the production, research and development, and sales of pipeline equipment and accessories, as well as plastic products; Sales of hardware products, boards, valves, molds, electronic components, and chemical raw materials (excluding hazardous materials); Import and export of goods or technology (excluding goods and technology prohibited by the state or subject to administrative approval). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) Licensed projects: import and export of goods; Technology import and export; Import and export agency (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results). Core products: Variable Diameter Four-Way, Pvdf, Welded Steel Lining Flange

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 Four-Way, Stainless Steel, Water Heating Valve

TOP7
Cangzhou Boxin Pipeline Manufacturing Co., Ltd
Overall Score4.5 / 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: Variable Diameter Four-Way, Large Flange, Anti Corrosion Pipe Fittings

TOP8
Hengtongma Steel Pipe Factory in Hedong District
Overall Score4.5 / 5
Est. Date2016-04-20
Registered Capital-

Hengtongma Steel Pipe Parts Factory in Hedong District, with its registered address in Fanjiayubu Village, Jiuqu Office, Hedong District. The registration authority is the Market Supervision and Administration Bureau of Hedong District, Linyi City, and the legal representative is Xu Jinguang. Its business scope includes processing and sales of Ma Steel Pipe fittings. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Variable Diameter Four-Way, Plumbing Fittings, Malleable Iron Pipe Fittings

TOP9
Hebei Hongqin Pipeline Co., Ltd
Overall Score4.4 / 5
Est. Date2019-12-13
Registered Capital8000K CNY

Hebei Hongqin Pipeline Co., Ltd., with its registered address at Gaolongtan section of Yanta Road, Yanshan County, is registered with the Market Supervision Administration of Yanshan County, and its legal representative is Bao Guile. Its business scope includes the sales of pipeline equipment and accessories, spiral steel pipes, anti-corrosion steel pipes, coated steel pipes, insulated steel pipes, hot-dip plastic steel pipes, cable trays, brackets, fittings, elbows, flanges, compensators, and valves. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Variable Diameter Four-Way, Plastic-Coated Steel Pipe, Fire Card Pressure Steel Pipe

TOP10
Hebei Yuedong Pipeline Equipment Co., Ltd
Overall Score4.4 / 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: Variable Diameter Four-Way, Seamless Bend Pipe, Corrosion Resistant Pipeline Elbow

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Fangqing Pipeline Manufacturing Co., Ltd2013-09-03Variable Diameter Four-Way, Blind Flange, Flange10900K CNYSupported
Shanghai Baiyi Special Materials Co., Ltd2019-01-02Variable Diameter Four-Way, Steel Strip, Welding Support Pipe Seat8000K CNYSupported
Shanghai Jiaguan Industrial Co., Ltd2017-12-12Variable Diameter Four-Way, Groove Pipeline Fittings, Stainless Steel Welding Accessories1000K CNYNot Supported
Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd2009-12-11Variable Diameter Four-Way, Pipe Fitting, Flange5800K CNYSupported
Changzhou Gosman Pipeline Technology Co., Ltd2018-12-10Variable Diameter Four-Way, Pvdf, Welded Steel Lining Flange10000K CNYSupported
Guangdong Lecong Steel World Co., Ltd2009-03-25Variable Diameter Four-Way, Stainless Steel, Water Heating Valve11000K CNYSupported
Cangzhou Boxin Pipeline Manufacturing Co., Ltd2017-12-05Variable Diameter Four-Way, Large Flange, Anti Corrosion Pipe Fittings3500K CNYNot Supported
Hengtongma Steel Pipe Factory in Hedong District2016-04-20Variable Diameter Four-Way, Plumbing Fittings, Malleable Iron Pipe Fittings-Supported
Hebei Hongqin Pipeline Co., Ltd2019-12-13Variable Diameter Four-Way, Plastic-Coated Steel Pipe, Fire Card Pressure Steel Pipe8000K CNYNot Supported
Hebei Yuedong Pipeline Equipment Co., Ltd2021-07-27Variable Diameter Four-Way, Seamless Bend Pipe, Corrosion Resistant Pipeline Elbow11680K CNYNot Supported

Purchasing Guide

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

  • In the actual procurement process of variable diameter tees, it is necessary to clarify the range of diameter changes and pressure levels at the pipeline connections to ensure compatibility with the existing pipeline system and avoid installation failure or leakage risks caused by specification deviations.
  • For different application scenarios such as chemical or HVAC, the material selection of variable diameter tees is particularly crucial. For example, stainless steel or special alloy materials should be given priority in corrosive media environments, while carbon steel or PVC materials can be used for ordinary water supply and drainage systems.
  • 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 ensure supply stability and technical adaptability.
  • Variable diameter four-way valves are widely used in the diversion and renovation of complex pipeline networks. When purchasing, it is recommended to verify the internal flow channel design based on flow distribution requirements to reduce the impact of turbulence or pressure loss on system efficiency.

Knowledge Base

Q

This article provides a detailed introduction to the production method of 600mm to 200mm cable tray tees, including material selection, cutting techniques, and assembly steps, to help readers master the key production processes of variable diameter cable trays.

Q

Three way and four-way variable diameter fiberglass pipe fittings play an important role in pipeline systems. Firstly, the function of three-way fittings is to achieve branching connections of pipelines. When a main pipeline needs to split into one or more branches, three-way fittings can guide the fluid from the main pipeline to different directions, meeting the usage needs of different areas or equipment.

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