Updated Oct 27, 2026 · Public platform & industry data

Oct 27, 2026 Updated

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2026 Top 10 Reduced Diameter Pipe Manufacturers in China

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Top-rated Reduced Diameter Pipe suppliers, How to choose a Reduced Diameter Pipe manufacturer, Best Reduced Diameter Pipe companies in China

The top 10 Reduced Diameter Pipe 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: Reduced Diameter Pipe, Three-Way, Elbow

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: Reduced Diameter Pipe, Threaded Flange, Reducing Flange

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: Reduced Diameter Pipe, Stainless Steel I-Beam, Brushed 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: Reduced Diameter Pipe, Large Flange, Galvanized Pipe

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: Reduced Diameter Pipe, Plumbing Fittings, Malleable Iron Pipe Fittings

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: Reduced Diameter Pipe, Stainless Steel Plate, Crash Barrier

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: Reduced Diameter Pipe, Laser Cutting Product Tube, Water Pipe

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: Reduced Diameter Pipe, Pipe Support Hanger, Epoxy Coal Tar Anti-Corrosion Steel Pipe

TOP9
Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd
Overall Score4.4 / 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: Reduced Diameter Pipe, Pipe Fitting, Flange

TOP10
Yixing Sumeng Environmental Protection Packing Co., Ltd
Overall Score4.3 / 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: Reduced Diameter Pipe, Flower Wreath Filling, Plate Aerator

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Fangqing Pipeline Manufacturing Co., Ltd2013-09-03Reduced Diameter Pipe, Three-Way, Elbow10900K CNYSupported
Cangzhou Oulong Pipeline Equipment Manufacturing Co., Ltd2020-12-22Reduced Diameter Pipe, Threaded Flange, Reducing Flange28000K CNYSupported
Wuxi Hongchi Stainless Steel Co., Ltd2020-04-21Reduced Diameter Pipe, Stainless Steel I-Beam, Brushed Stainless Steel Plate50000K CNYSupported
Cangzhou Huishang Pipe Fitting Manufacturing Co., Ltd2018-06-12Reduced Diameter Pipe, Large Flange, Galvanized Pipe18000K CNYSupported
Hengtongma Steel Pipe Factory in Hedong District2016-04-20Reduced Diameter Pipe, Plumbing Fittings, Malleable Iron Pipe Fittings-Supported
Shandong Xinhongshun Metal Products Co., Ltd2017-04-17Reduced Diameter Pipe, Stainless Steel Plate, Crash Barrier5000K CNYSupported
Chengdu Rongshun Materials Co., Ltd2003-04-16Reduced Diameter Pipe, Laser Cutting Product Tube, Water Pipe500K CNYNot Supported
Yanshan County Yuanchuang Pipe Fitting Sales Office (Individual Industrial and Commercial Household)2024-12-18Reduced Diameter Pipe, Pipe Support Hanger, Epoxy Coal Tar Anti-Corrosion Steel Pipe-Supported
Mengcun Hui Autonomous County Jiayuecheng Pipe Fitting Co., Ltd2009-12-11Reduced Diameter Pipe, Pipe Fitting, Flange5800K CNYSupported
Yixing Sumeng Environmental Protection Packing Co., Ltd2016-04-22Reduced Diameter Pipe, Flower Wreath Filling, Plate Aerator2000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of reduced diameter pipes, it is recommended to prioritize confirming key technical parameters such as pipe diameter variation range and wall thickness tolerance to ensure compatibility with existing pipeline systems. This is commonly used in flow regulation scenarios in petrochemical or water supply and drainage systems.
  • When selecting suppliers, reference can be made to indicators such as product compatibility, business qualifications, enterprise activity, industry performance, and industry data support. Such enterprises can usually provide more stable supply of reducing pipes and professional technical support.
  • In high-pressure fluid transportation or corrosive media environments, it is recommended to choose reduced diameter pipes made of materials with high pressure resistance and corrosion resistance standards, such as 316L stainless steel or duplex steel materials.
  • In different application scenarios such as thermal pipelines or food processing, attention should be paid to the surface treatment process of reduced diameter pipes, such as the polishing grade or coating requirements of the inner wall, to avoid fluid residue or pollution risks.

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