Updated Oct 11, 2026 · Public platform & industry data

Oct 11, 2026 Updated

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2026 Top 10 National Standard Reducer Manufacturers in China

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Top-rated National Standard Reducer suppliers, How to choose a National Standard Reducer manufacturer, Best National Standard Reducer companies in China

The top 10 National Standard Reducer manufacturers in China for 2026 are: Zhejiang Wuyue Stainless Steel Co., Ltd, Hebei Fangqing Pipeline Manufacturing Co., Ltd, Jiangyin Fulei Steel Plate Processing Co., Ltd, Hebei Deyue Pipeline Manufacturing Co., Ltd, Hebei Wenchuang Pipe Fitting Manufacturing Co., Ltd, Cangzhou Jiangdong Pipeline Co., Ltd, Hebei Shengbang Xinyue Pipe Fitting Manufacturing Co., Ltd, Cangzhou Tianxiangcheng Pipeline Equipment Co., Ltd, Cangzhou Tengxiao Pipeline Equipment Manufacturing Co., Ltd, Hebei Shifei 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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Zhejiang Wuyue Stainless Steel Co., Ltd
Overall Score4.9 / 5
Est. Date2018-12-28
Registered Capital15000K CNY

Zhejiang Wuyue Stainless Steel Co., Ltd., with its registered address at No. 988 Tianzhong Road, Yongzhong Street, Longwan District, Wenzhou City, Zhejiang Province, is registered with the Market Supervision Administration of Longwan District, Wenzhou City. The legal representative is Li Fangfang, and its business scope includes general projects such as metal packaging containers and material manufacturing; Manufacturing of general components; Sales of metal materials; Steel rolling processing; Manufacturing of metal cutting and welding equipment; Manufacturing of metal processing machinery; Research and development of metal products; Sales of metal tools; Manufacturing of metal structures; Sales of metal structures; Black metal casting; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Manufacturing of metal chains and other 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). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: National Standard Reducer, Stainless Steel Pipe, Stainless Steel Pipe Fittings

Top 2
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Hebei Fangqing Pipeline Manufacturing Co., Ltd
Overall Score4.8 / 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: National Standard Reducer, Head, Flanging

Top 3
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Jiangyin Fulei Steel Plate Processing Co., Ltd
Overall Score4.8 / 5
Est. Date2007-07-05
Registered Capital60000K CNY

Jiangyin Fulei Steel Plate Processing Co., Ltd., with its registered address located in Qiaoqi Industrial Park, Xuxiake Town, Jiangyin City (south of Yingbin Avenue), is registered with the Jiangyin Administrative Approval Bureau and represented by Huang Lei as its legal representative. Its business scope includes steel plate processing; Manufacturing, processing, and sales of metal structures, mechatronics equipment, and spare parts; Sales of hardware products, electrical equipment, and metal materials; Import and export business of various commodities and technologies through self operation and agency, except for commodities and technologies restricted or prohibited by the state for enterprise operation or import and export. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: National Standard Reducer, U-Shaped Steel, Stainless Steel Bending Parts

TOP4
Hebei Deyue Pipeline Manufacturing Co., Ltd
Overall Score4.7 / 5
Est. Date2018-03-12
Registered Capital30000K CNY

Hebei Deyue Pipeline Manufacturing Co., Ltd., registered at No. 3 Yanta Road, Yanshan Town, Yanshan County, with the registration authority of Yanshan County Market Supervision Administration and the legal representative of Liu Shulin, is engaged in the production of high, medium, and low pressure pipelines, fittings, elbows, reducers, bends, tees, fittings, pipe connectors, flanges, forgings, valves, and various pipeline accessory series products made of alloy steel, stainless steel, and carbon steel; Insulated pipes and fittings, anti-corrosion pipes and fittings, wear-resistant pipes and fittings; Sales: Seamless pipes, straight seam pipes, spiral pipes, alloy pipes, stainless steel pipes, various pipe materials, hardware and building materials; To engage in the export business of self-produced products and technologies of the enterprise, as well as the import business of machinery and equipment, spare parts, 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: National Standard Reducer, Compensator, Carbon Steel Elbow

TOP5
Hebei Wenchuang Pipe Fitting Manufacturing Co., Ltd

Opposite to memorial archway, Tashang Village, Niujinzhuang Township, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province

Overall Score4.7 / 5
Est. Date2022-04-08
Registered Capital3000K CNY

Hebei Wenchuang Pipe Fittings Manufacturing Co., Ltd., located opposite memorial archway, Tashang Village, Niujinzhuang Township, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province, was established on April 8, 2022. Its registration authority is the Market Supervision Administration of Mengcun Hui Autonomous County, and its legal representative is Zhang Xiaodong. Core products: National Standard Reducer

TOP6
Cangzhou Jiangdong Pipeline Co., Ltd
Overall Score4.6 / 5
Est. Date2015-05-27
Registered Capital5000K CNY

Cangzhou Jiangdong Pipeline Co., Ltd., registered at Hengjun Company in Puwacheng Industrial Zone, Yanshan County, with the registration authority of Yanshan County Administration for Industry and Commerce and the legal representative of Xu Chao, is engaged in the sales of spiral steel pipes, straight seam steel pipes, seamless steel pipes, petroleum casings, 3PE anti-corrosion steel pipes, TPEP anti-corrosion steel pipes, epoxy powder anti-corrosion steel pipes, coated composite pipes, non-toxic drinking water steel pipes, insulation pipes, pipeline pipes, bent pipes, alloy pipes, stainless steel pipes, galvanized pipes, fittings, anti-corrosion and insulation materials, pipeline equipment accessories, pipes, plates, wires, elbows, flanges, tees, large and small head heads, blind plates, manholes, valves, compensators, expansion joints, waterproof casings, supports and hangers, wear-resistant pipelines. Wear resistant pipe fittings series products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: National Standard Reducer, Compensator, Valve

TOP7
Hebei Shengbang Xinyue Pipe Fitting Manufacturing Co., Ltd
Overall Score4.6 / 5
Est. Date2018-04-12
Registered Capital3000K CNY

Hebei Shengbang Xinyue Pipe Fitting Manufacturing Co., Ltd., with its registered address located on the east side of the north-south highway in Zhaozhuangzi Village, Niujinzhuang Township, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province, is registered with the Market Supervision Administration of Mengcun Hui Autonomous County. The legal representative is Zhao Yuemei. The company's business scope includes manufacturing, processing, and selling flanges, elbows, reducers, tees, tees, tees, pipe clamps, pump pipes, power plant accessories, supports and hangers, and sockets. The company also sells steel, pipes, anti-corrosion insulation, pipes and fittings, metal materials, and metal products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: National Standard Reducer, Pipe Bracket Support Hanger, Blind Flange

TOP8
Cangzhou Tianxiangcheng Pipeline Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2015-03-26
Registered Capital10000K CNY

Cangzhou Tianxiangcheng Pipeline Equipment Co., Ltd., with its registered address in Xiliu Village, Yanshan Town, Yanshan County, is registered with the Market Supervision Administration of Yanshan County, and its legal representative is Liu Xiaohui. Its business scope includes the sale of steel pipes, petroleum casings, anti-corrosion steel pipes, insulation pipes, pipeline pipes, alloy pipes, stainless steel pipes, bent pipes, pipe fittings, anti-corrosion and insulation materials, pipeline equipment and accessories, pipes, plates, wires, profiles, steel, and machine tool accessories; And the import and export business of the above products.. Core products: National Standard Reducer, Flange, Bend Pipe

TOP9
Cangzhou Tengxiao Pipeline Equipment Manufacturing Co., Ltd
Overall Score4.4 / 5
Est. Date2020-03-31
Registered Capital5000K CNY

Cangzhou Tengxiao Pipeline Equipment Manufacturing Co., Ltd., with its registered address located at the intersection of Yanta Road and Gaolongtan Road in Yanshan County, is registered with the Market Supervision Administration of Yanshan County. The legal representative is Yu Dalong, and its business scope includes the production of pipes, pipelines, steel pipes, elbows, flanges, reducers, tees, bends, pipe caps, steel, anti-corrosion pipeline materials, pipeline equipment and accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: National Standard Reducer, Rigid Waterproof Conduit, Anti Corrosion Steel Pipe For Drinking Water Pipeline

TOP10
Hebei Shifei Pipeline Manufacturing Co., Ltd
Overall Score4.3 / 5
Est. Date2018-04-12
Registered Capital68000K CNY

Hebei Shifei Pipeline Manufacturing Co., Ltd., with its registered address located on the east side of Xinman Road, Mouzhuang Industrial Zone, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province, is registered with the Market Supervision Administration of Mengcun Hui Autonomous County. The legal representative is Xu Na, and its business scope includes processing and sales of pipe fittings, elbows, flanges, and pipeline accessories; Sales: pipeline equipment, anti-corrosion and insulation pipelines and fittings, power plant accessories, valves, fasteners, steel pipes, steel, wire, plates, profiles, hardware products, plumbing equipment, fire-fighting equipment, stainless steel products, sports equipment (excluding crossbows), plastic tracks. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments; for general business projects, business activities can be carried out independently in accordance with the law.). Core products: National Standard Reducer, Waterproof Sleeve, Insulated Elbow/Tee

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Zhejiang Wuyue Stainless Steel Co., Ltd2018-12-28National Standard Reducer, Stainless Steel Pipe, Stainless Steel Pipe Fittings15000K CNYSupported
Hebei Fangqing Pipeline Manufacturing Co., Ltd2013-09-03National Standard Reducer, Head, Flanging10900K CNYSupported
Jiangyin Fulei Steel Plate Processing Co., Ltd2007-07-05National Standard Reducer, U-Shaped Steel, Stainless Steel Bending Parts60000K CNYSupported
Hebei Deyue Pipeline Manufacturing Co., Ltd2018-03-12National Standard Reducer, Compensator, Carbon Steel Elbow30000K CNYNot Supported
Hebei Wenchuang Pipe Fitting Manufacturing Co., Ltd2022-04-08National Standard Reducer3000K CNYSupported
Cangzhou Jiangdong Pipeline Co., Ltd2015-05-27National Standard Reducer, Compensator, Valve5000K CNYSupported
Hebei Shengbang Xinyue Pipe Fitting Manufacturing Co., Ltd2018-04-12National Standard Reducer, Pipe Bracket Support Hanger, Blind Flange3000K CNYSupported
Cangzhou Tianxiangcheng Pipeline Equipment Co., Ltd2015-03-26National Standard Reducer, Flange, Bend Pipe10000K CNYSupported
Cangzhou Tengxiao Pipeline Equipment Manufacturing Co., Ltd2020-03-31National Standard Reducer, Rigid Waterproof Conduit, Anti Corrosion Steel Pipe For Drinking Water Pipeline5000K CNYSupported
Hebei Shifei Pipeline Manufacturing Co., Ltd2018-04-12National Standard Reducer, Waterproof Sleeve, Insulated Elbow/Tee68000K CNYSupported

Purchasing Guide

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

  • In the actual procurement process of national standard reducers, it is recommended to prioritize checking key technical parameters such as the diameter range and wall thickness tolerance of the fittings to ensure compatibility with existing pipeline systems, especially in high-pressure scenarios such as chemical or municipal engineering where strict matching is required.
  • When selecting suppliers, priority should be given to indicators such as product compatibility, business qualifications, enterprise activity, industry performance, and industry data support. Such suppliers are usually able to provide reducer products that meet GB standards in a stable manner.
  • National standard reducers are commonly used for variable diameter connections in fluid transportation systems such as oil and natural gas. When purchasing, carbon steel or stainless steel materials should be selected based on the characteristics of the medium, such as corrosiveness and temperature.
  • For scenarios that require bulk procurement, it is recommended to evaluate the supplier's supply stability based on their industry data support capabilities, while paying attention to detailed parameters such as the pressure rating and welding process of the reducer.

Knowledge Base

Q

This article analyzes the calculation logic of the weight of reducing pipes, including the influencing factors of material density and structural dimensions, and provides simplified calculation methods and practical suggestions to help engineers quickly estimate the weight of pipe fittings.

Q

The inspection standards for national standard reducers mainly cover the following aspects: ###Dimensional accuracy 1. Outer diameter and wall thickness: must comply with the dimensional tolerance range specified in the corresponding national standards. For example, different specifications of reducers have clear allowable deviations in their large end outer diameter, small end outer diameter, and wall thickness. Measure with measuring tools such as calipers, micrometers, etc. to ensure that the actual dimensions are within the standard range

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