Updated Aug 12, 2026 · Public platform & industry data

Aug 12, 2026 Updated

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2026 Top 10 Large And Small Head Variable Diameter Tube Manufacturers in China

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Top-rated Large And Small Head Variable Diameter Tube suppliers, How to choose a Large And Small Head Variable Diameter Tube manufacturer, Best Large And Small Head Variable Diameter Tube companies in China

The top 10 Large And Small Head Variable Diameter Tube manufacturers in China for 2026 are: Hebei Fangqing Pipeline Manufacturing Co., Ltd, Cangzhou Oulong Pipeline Equipment Manufacturing Co., Ltd, Wuxi Hongchi Stainless Steel Co., Ltd, Cangzhou Huishang Pipe Fitting Manufacturing Co., Ltd, Hengtongma Steel Pipe Factory in Hedong District, Shandong Xinhongshun Metal Products Co., Ltd, Chengdu Rongshun Materials Co., Ltd, Yanshan County Yuanchuang Pipe Fitting Sales Office (Individual Industrial and Commercial Household), Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd, Yixing Sumeng Environmental Protection Packing 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: Large And Small Head Variable Diameter Tube, Blind Flange, Flanging

Top 2
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Cangzhou Oulong Pipeline Equipment Manufacturing Co., Ltd

Across from Xinxing Furniture, 283 Provincial Road, Cangyan Road, Yanshan County

Overall Score4.8 / 5
Est. Date2020-12-22
Registered Capital28000K CNY

Cangzhou Oulong Pipeline Equipment Manufacturing Co., Ltd. is located opposite Xinxing Furniture on Cangyan Road 283 Provincial Road in Yanshan County. It was established on December 22, 2020, with the registration authority of Yanshan County Market Supervision Administration and the legal representative being Bi Qiuxia. Core products: Large And Small Head Variable Diameter Tube, Ceramic Patch Wear-Resistant Pipeline, Steel Lined Ptfe Steel Pipe

Top 3
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Wuxi Hongchi Stainless Steel Co., Ltd
Overall Score4.8 / 5
Est. Date2020-04-21
Registered Capital50000K CNY

Wuxi Hongchi Stainless Steel Co., Ltd., with its registered address at No. 3217, Office Building 2, No. 123 Dongbei Tangbei Ring Road, Xishan District, Wuxi City, is registered with the Xishan District Data Bureau of Wuxi City. The legal representative is Kang Yanbo, and its business scope includes general projects such as metal material sales; Sales of metal products; Sales of metal structures; Rolling and processing of non-ferrous metals; Metal cutting processing services; Research and development of metal products; Sales of synthetic materials; Sales of metal cutting and welding equipment; Sales of building materials; Wood sales; Internet sales (except for the sale of goods that need to be licensed); General cargo warehousing services (excluding projects requiring permits and approvals such as hazardous chemicals); Sales of metal fittings for construction; Sales of metal wire ropes and their products; Metal surface treatment and heat treatment processing; Import and export of goods; Technology import and export; Import and export agency (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: Large And Small Head Variable Diameter Tube, Hard Stainless Steel Strip, Hot Rolled Stainless Steel Plate

TOP4
Cangzhou Huishang Pipe Fitting Manufacturing Co., Ltd
Overall Score4.7 / 5
Est. Date2018-06-12
Registered Capital18000K CNY

Cangzhou Huishang Pipe Fittings Manufacturing Co., Ltd., whose registered address is located in the west of the road 400 meters north of memorial archway, Zhangguandian East, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province, is registered by the Market Supervision Administration of Mengcun Hui Autonomous County, and its legal representative is Fan Xiaoxue. Its business scope includes general projects: building decoration, plumbing pipe parts and other metal products for building; Manufacturing of metal products for safety and firefighting purposes; Manufacturing of metal daily necessities; Sales of metal products; Manufacturing of hardware products; Wholesale of hardware products; Manufacturing of metal structures; Sales of metal structures; Manufacturing of concrete structural components; Sales of concrete structural components; Mechanical parts and component processing; Sales of mechanical parts and components; Sealing component manufacturing; Sales of seals; Fastener manufacturing; Sales of fasteners; Sales of metal materials; Sales of valves and plugs; Sales of pumps and vacuum equipment; Sales of anti-corrosion materials; Sales of insulation materials; Import and export of goods (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: Large And Small Head Variable Diameter Tube, Hanger Bracket, Valve

TOP5
Hengtongma Steel Pipe Factory in Hedong District
Overall Score4.7 / 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: Large And Small Head Variable Diameter Tube, Plumbing Fittings, Magang Elbow

TOP6
Shandong Xinhongshun Metal Products Co., Ltd
Overall Score4.6 / 5
Est. Date2017-04-17
Registered Capital5000K CNY

Shandong Xinhongshun Metal Products Co., Ltd., with its registered address at Room 709, Xinglong Building, East End of Liaohe Road, Liaocheng Economic Development Zone, Shandong Province, is registered with the Market Supervision and Administration Bureau of Liaocheng Economic and Technological Development Zone. The legal representative is Wu Lili, and its business scope includes wholesale and retail of steel pipes, building materials, profiles, plates, round steel, guardrails, manhole covers, stainless steel pipes, stainless steel plates, stainless steel round steel, hardware products, ductile iron pipes, and mechanical accessories; Self operated and agency based import and export of goods and 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: Large And Small Head Variable Diameter Tube, Thick Walled Coiled Tube, Lead Shot, Shot Put

TOP7
Chengdu Rongshun Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2003-04-16
Registered Capital500K CNY

Chengdu Rongshun Materials Co., Ltd., with its registered address at No. 15, 1st Floor, Building 6, Jinfeng Road, Jinniu District, Chengdu, is registered with the Market and Quality Supervision Administration of Jinniu District. The legal representative is Yan Haiou, and its business scope includes the sale of metal materials (excluding rare and precious metals), building materials, hardware and electrical equipment, ordinary machinery, electrical machinery, chemical products (excluding dangerous goods), plastic products, valves and fittings, and daily necessities.. Core products: Large And Small Head Variable Diameter Tube, Stainless Steel Pipe Fittings, Stainless Steel Stamped Pipe Fittings

TOP8
Yanshan County Yuanchuang Pipe Fitting Sales Office (Individual Industrial and Commercial Household)
Overall Score4.6 / 5
Est. Date2024-12-18
Registered Capital-

Yanshan County Yuanchuang Pipe Fitting Sales Office (Individual Industrial and Commercial Household), registered at Room 1202, Unit 1, Building 7, Tiantai Jiayuan, Yanshan County, with the registration authority of Yanshan County Market Supervision Administration and the legal representative of Song Zhijie. Its business scope includes general projects: sales of metal materials; Sales of metal products; Retail of hardware products. (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: Large And Small Head Variable Diameter Tube, Lined Plastic Lined Rubber Lined Ptfe Pipeline, Epoxy Coal Tar Anti-Corrosion Steel Pipe

TOP9
Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd
Overall Score4.5 / 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: Large And Small Head Variable Diameter Tube, Pipe Fitting, Flange

TOP10
Yixing Sumeng Environmental Protection Packing Co., Ltd
Overall Score4.4 / 5
Est. Date2016-04-22
Registered Capital2000K CNY

Yixing Sumeng Environmental Protection Filling Co., Ltd., with its registered address at No. 20 Nanxin East Road, Xiyuzhong Village, Heqiao Town, Yixing City, is registered with the Yixing Administrative Approval Bureau and represented by Tang Junhong. Its business scope includes the sales of environmental protection filling materials, environmental protection accessories, and fiberglass products; Processing and sales of plastic products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Large And Small Head Variable Diameter Tube, Elastic Filler, Plate Aerator

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Fangqing Pipeline Manufacturing Co., Ltd2013-09-03Large And Small Head Variable Diameter Tube, Blind Flange, Flanging10900K CNYSupported
Cangzhou Oulong Pipeline Equipment Manufacturing Co., Ltd2020-12-22Large And Small Head Variable Diameter Tube, Ceramic Patch Wear-Resistant Pipeline, Steel Lined Ptfe Steel Pipe28000K CNYSupported
Wuxi Hongchi Stainless Steel Co., Ltd2020-04-21Large And Small Head Variable Diameter Tube, Hard Stainless Steel Strip, Hot Rolled Stainless Steel Plate50000K CNYSupported
Cangzhou Huishang Pipe Fitting Manufacturing Co., Ltd2018-06-12Large And Small Head Variable Diameter Tube, Hanger Bracket, Valve18000K CNYSupported
Hengtongma Steel Pipe Factory in Hedong District2016-04-20Large And Small Head Variable Diameter Tube, Plumbing Fittings, Magang Elbow-Supported
Shandong Xinhongshun Metal Products Co., Ltd2017-04-17Large And Small Head Variable Diameter Tube, Thick Walled Coiled Tube, Lead Shot, Shot Put5000K CNYSupported
Chengdu Rongshun Materials Co., Ltd2003-04-16Large And Small Head Variable Diameter Tube, Stainless Steel Pipe Fittings, Stainless Steel Stamped Pipe Fittings500K CNYNot Supported
Yanshan County Yuanchuang Pipe Fitting Sales Office (Individual Industrial and Commercial Household)2024-12-18Large And Small Head Variable Diameter Tube, Lined Plastic Lined Rubber Lined Ptfe Pipeline, Epoxy Coal Tar Anti-Corrosion Steel Pipe-Supported
Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd2009-12-11Large And Small Head Variable Diameter Tube, Pipe Fitting, Flange5800K CNYSupported
Yixing Sumeng Environmental Protection Packing Co., Ltd2016-04-22Large And Small Head Variable Diameter Tube, Elastic Filler, Plate Aerator2000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of reducers, it is recommended to prioritize confirming the diameter dimensions, wall thickness, and material parameters at both ends to ensure compatibility with existing pipeline systems and avoid installation difficulties or seal failure due to specification deviations.
  • In high-pressure scenarios such as chemical or hydraulic engineering, it is important to evaluate the pressure rating and corrosion resistance of variable diameter pipes. Different media environments may have specific requirements for materials such as stainless steel and carbon steel.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. Such suppliers usually provide more stable supply capabilities and technical support.
  • For common application scenarios such as fire protection pipelines or HVAC systems, it is recommended to choose variable diameter pipes with standard flange connections for quick installation and maintenance, while reducing the construction cost of system renovation.

Knowledge Base

Q

This article analyzes the differences and application scenarios between the filling core and the large and small head when changing the diameter of drainage pipes, helping readers choose suitable connectors according to actual needs to ensure efficient and stable operation of the pipeline system.

Q

Baidu AiGou has found relevant pictures of different categories of large and small head carbon steel reducers for you, taking you to appreciate the diversity and uniqueness of large and small head carbon steel reducers. At the same time, we also recommend high-quality large-diameter carbon steel reducers for you, so that you can easily and quickly find the most suitable large-diameter carbon steel reducers for yourself when purchasing.

Q

This article introduces the definition, purpose, and whether it is a reducer.

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