Updated Sep 10, 2026 · Public platform & industry data

Sep 10, 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, Hebei Yuechang Pipeline Manufacturing Co., Ltd, Wuxi Huachuang Tongyuan Metal Materials Co., Ltd, Cangzhou Houjin Pipeline Co., Ltd, Jiangsu Dongken New Materials Co., Ltd, Shandong Pinbo Metal Products Co., Ltd, Cangzhou Jiangdong Pipeline Co., Ltd, Hebei Deyue Pipeline Manufacturing Co., Ltd, Foshan Honggaoyue Metal Materials 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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Hebei Yuechang Pipeline Manufacturing Co., Ltd
Overall Score4.8 / 5
Est. Date2021-07-08
Registered Capital5000K CNY

Hebei Yuechang Pipeline Manufacturing Co., Ltd., with its registered address located 50 meters southwest of the G338 auxiliary road intersection of Yanshan North Second Ring Road in Yanshan County, is registered with the Yanshan County Market Supervision and Administration Bureau, and its legal representative is Fu Hongxu. Its business scope includes manufacturing and processing: flanges, elbows, tees, manholes, steel pipe fittings, wear-resistant pipelines, plastic lined insulation pipelines, 3PE anti-corrosion steel pipes, TPEP anti-corrosion steel pipes, epoxy powder anti-corrosion steel pipes, epoxy coal tar anti-corrosion steel pipes, cast iron and cast steel pipelines, gaskets, spring supports and hangers, standard parts, valves, concrete pump fittings, conveyor machinery and equipment, corrugated compensators, miscellaneous items for power plants, gas fire extinguishing fittings, metal hoses, quick connectors, gas collection pipes, fasteners, stainless steel fittings, groove fittings. Bending pipes, power plant accessories, fire-fighting equipment; Sales: Spiral steel pipe, straight seam steel pipe, seamless steel pipe, petroleum casing, polyurethane insulated steel pipe, anti-corrosion steel pipe, pipeline pipe, alloy pipe, stainless steel pipe, anti-corrosion insulation material, building material, steel, metal material, labor protection equipment, hardware and electromechanical, pump pipe, rubber hose, bimetallic composite pipeline, sports equipment, machine tool accessories, power equipment, environmental protection equipment and accessories; Leasing construction machinery and equipment. (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, Wear Resistant Pipe Fittings

TOP4
Wuxi Huachuang Tongyuan Metal Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2025-11-11
Registered Capital2000K CNY

Wuxi Huachuang Tongyuan Metal Materials Co., Ltd., registered at 22-8-732 Xihui Garden, Liangxi District, Wuxi City, with the registration authority of Wuxi Liangxi District Data Bureau and the legal representative of Ma Chuang, has a business scope including general projects such as sales of metal products; Sales of metal materials; Sales of metal structures; Sales of non-ferrous metal alloys; Sales of metal tools; Research and development of metal products; Sales of rubber products; Sales of mechanical equipment; Sales of chemical products (excluding licensed chemical products); Sales of forgings and powder metallurgy products; Sales of building materials; Sales of power electronic components; Operation of wires and cables; Sales of mechanical parts and components; Sales of office supplies; Wholesale of hardware products; 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: National Standard Reducer, Stainless Steel Plate, Stainless Steel Patterned Plate

TOP5
Cangzhou Houjin Pipeline Co., Ltd

100 meters south of Hanqiao Bridge, Cangle Road, Yanshan County, east of the road

Overall Score4.7 / 5
Est. Date2021-12-20
Registered Capital30000K CNY

Cangzhou Houjin Pipeline Co., Ltd. is located 100 meters south of Hanqiao Bridge, Cangle Road, Yanshan County, and was established on December 20, 2021. The registered authority is the Market Supervision Administration of Yanshan County, and the legal representative is Zhao Wenjie. Core products: National Standard Reducer

TOP6
Jiangsu Dongken New Materials Co., Ltd
Overall Score4.6 / 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: National Standard Reducer, Diaphragm Valve, Hot Melt Elbow

TOP7
Shandong Pinbo Metal Products Co., Ltd

Jiangguantun Office, Liaocheng Economic and Technological Development Zone, Shandong Province, Dengguantun Village, Tuhai River Bridge, 500 meters west, south of the road

Overall Score4.6 / 5
Est. Date2019-04-29
Registered Capital6800K CNY

Shandong Pinbo Metal Products Co., Ltd. is located 500 meters west of Tuhai River Bridge in Dengguantun Village, Jiangguantun Office, Liaocheng Economic and Technological Development Zone, Shandong Province. It was established on April 29, 2019, with the registration authority of Liaocheng Economic and Technological Development Zone Market Supervision Administration and the legal representative being Guo Yanwen. Core products: National Standard Reducer, Drum Steel Pipe, Spline Steel Pipe

TOP8
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

TOP9
Hebei Deyue Pipeline Manufacturing Co., Ltd
Overall Score4.4 / 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

TOP10
Foshan Honggaoyue Metal Materials Co., Ltd
Overall Score4.3 / 5
Est. Date2012-04-01
Registered Capital1000K CNY

Foshan Honggaoyue Metal Materials Co., Ltd., registered at Room 1009, Building 1, No. 121 Lingnan Avenue North, Chancheng District, Foshan City (registered address declared), registered with the Market Supervision and Administration Bureau of Chancheng District, Foshan City, with Huang Huaming as the legal representative. Its business scope includes non-ferrous metal materials (excluding precious and rare metals), stainless steel products, machinery and equipment, building materials, hardware and electrical equipment, welding equipment, and chemical raw materials (excluding hazardous chemicals); Domestic trade. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: National Standard Reducer, 304 Stainless Steel Elliptical Tube, Capillary Tube

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
Hebei Yuechang Pipeline Manufacturing Co., Ltd2021-07-08National Standard Reducer, Compensator, Wear Resistant Pipe Fittings5000K CNYSupported
Wuxi Huachuang Tongyuan Metal Materials Co., Ltd2025-11-11National Standard Reducer, Stainless Steel Plate, Stainless Steel Patterned Plate2000K CNYSupported
Cangzhou Houjin Pipeline Co., Ltd2021-12-20National Standard Reducer30000K CNYNot Supported
Jiangsu Dongken New Materials Co., Ltd2014-07-24National Standard Reducer, Diaphragm Valve, Hot Melt Elbow10010K CNYNot Supported
Shandong Pinbo Metal Products Co., Ltd2019-04-29National Standard Reducer, Drum Steel Pipe, Spline Steel Pipe6800K CNYSupported
Cangzhou Jiangdong Pipeline Co., Ltd2015-05-27National Standard Reducer, Compensator, Valve5000K CNYSupported
Hebei Deyue Pipeline Manufacturing Co., Ltd2018-03-12National Standard Reducer, Compensator, Carbon Steel Elbow30000K CNYNot Supported
Foshan Honggaoyue Metal Materials Co., Ltd2012-04-01National Standard Reducer, 304 Stainless Steel Elliptical Tube, Capillary Tube1000K 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