Updated Oct 12, 2026 · Public platform & industry data

Oct 12, 2026 Updated

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

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

The top 10 Large And Small Head Variable Diameter Reducer manufacturers in China for 2026 are: New Shun Valve Group Co., Ltd, Cangzhou Oulong Pipeline Equipment Manufacturing Co., Ltd, Hengshui Zhengte Environmental Protection Equipment Co., Ltd, Hebei Yuechang Pipeline Manufacturing Co., Ltd, Jiangyin Fulei Steel Plate Processing Co., Ltd, Guangdong Lecong Steel World Co., Ltd, Liaocheng Jiaxiang Steel Pipe Co., Ltd, Yingang Pipeline Manufacturing Co., Ltd, Wuxi Hongquan Metal Materials Co., Ltd, Wuxi Wujiuba Metal Products 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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New Shun Valve Group Co., Ltd
Overall Score4.9 / 5
Est. Date2015-05-08
Registered Capital101000K CNY

New Shun Valve Group Co., Ltd., located at Building 3, No. 70 Shunxian Road, Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province, was established on May 8, 2015. The registered authority is the Tianning District Government Service Management Office of Changzhou City, and the legal representative is Yan Shaoyang. Core products: Large And Small Head Variable Diameter Reducer

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 Score4.7 / 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 Reducer

Top 3
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Hengshui Zhengte Environmental Protection Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2024-12-19
Registered Capital300K CNY

Hengshui Zhengte Environmental Protection Equipment Co., Ltd., with its registered address at No. 207 Tongjin Village, Wangjun Township, Zaoqiang County, Hengshui City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City. The legal representative is Wang Yanyun, and its business scope includes general projects such as the manufacturing of specialized environmental protection equipment; Sales of specialized equipment for environmental protection; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Manufacturing of plastic products; Sales of plastic products; Rubber product manufacturing; Sales of rubber products; Manufacturing of non-metallic mineral products; Sales of non-metallic minerals and products; Manufacturing of metal structures; Sales of metal structures; Manufacturing of metal daily necessities; Sales of anti-corrosion materials; Sales of metal products; Sales of mechanical equipment; Installation services for ordinary mechanical equipment; General equipment repair; Specialized equipment repair; Retail of hardware products; General equipment manufacturing (excluding special equipment manufacturing); Sales of valves and plugs; Installation services for environmental sanitation public facilities; Construction of earthwork engineering; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Labor services (excluding labor dispatch); Sales of building materials. (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 Reducer, Frp Pipe Fittings,

TOP4
Hebei Yuechang Pipeline Manufacturing Co., Ltd
Overall Score4.6 / 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: Large And Small Head Variable Diameter Reducer, Compensator, Wear Resistant Pipe Fittings

TOP5
Jiangyin Fulei Steel Plate Processing Co., Ltd
Overall Score4.6 / 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: Large And Small Head Variable Diameter Reducer, U-Shaped Steel, Stainless Steel Bending Parts

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: Large And Small Head Variable Diameter Reducer, Steel Pipe, Water Heating Valve

TOP7
Liaocheng Jiaxiang Steel Pipe Co., Ltd
Overall Score4.5 / 5
Est. Date2014-03-10
Registered Capital5000K CNY

Liaocheng Jiaxiang Steel Pipe Co., Ltd. is located at No. 161, Zone B, Huitong International Metal Logistics Park, Heilongjiang Road, Jiangguantun Street, Liaocheng Economic and Technological Development Zone, Shandong Province. It was established on March 10, 2014, and registered with the Market Supervision Administration of Liaocheng Economic and Technological Development Zone. The legal representative is Li Gui'e. Core products: Large And Small Head Variable Diameter Reducer

TOP8
Yingang Pipeline Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2019-08-01
Registered Capital112200K CNY

Yingang Pipeline Manufacturing Co., Ltd. is registered at S333 Gengzhuangzi Road South, Niujinzhuang Township, 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 Wang Xiaosheng. The business scope includes building decoration and manufacturing of plumbing pipeline parts. Manufacturing, processing, and sales: pipe fittings; Pipeline equipment; Corrosion prevention and insulation of pipelines and fittings; Sales: elbows, flanges and gaskets, reducers, tees, pipe caps, plastic lined pipe fittings, compensators, pipe supports and hangers, power plant accessories, valves, hardware accessories, steel plates, steel pipes, steel sections, round steel, laboratory fume hoods, pipe supports, steel metal hoses, corrugated compensators, acoustic tubes, fasteners, seals, gasifier accessories, coal mill accessories, insulation joints, rubber soft joints, rubber products, highway guardrails, color steel structures, iron towers, metal accessories for chemical and electrical industries, PVC products, labor protection supplies, fire-fighting equipment; 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 according to law, business activities can only be carried out after approval by relevant departments; for general business projects, business activities can be carried out independently according to law). Core products: Large And Small Head Variable Diameter Reducer, Blind Flange, Flange

TOP9
Wuxi Hongquan Metal Materials Co., Ltd

Room 206, Building C5, Phase 2, No. 640 Dongfang Steel City, Dongbeitang Street, Xishan District, Wuxi City

Overall Score4.4 / 5
Est. Date2016-07-11
Registered Capital5000K CNY

Wuxi Hongquan Metal Materials Co., Ltd., located at Room 206, Building C5, Phase 2, No. 640 Dongfang Steel City, Dongbeitang Street, Xishan District, Wuxi City, was established on July 11, 2016. The registration authority is the Xishan District Administrative Approval Bureau of Wuxi City, and the legal representative is Liu Dong. Core products: Large And Small Head Variable Diameter Reducer

TOP10
Wuxi Wujiuba Metal Products Co., Ltd

423 Qianqiao Xilu Road, Huishan District, Wuxi City

Overall Score4.4 / 5
Est. Date2020-04-27
Registered Capital3800K CNY

Wuxi Wujiuba Metal Products Co., Ltd., located at 423 Qianqiao Xilu Road, Huishan District, Wuxi City, was established on April 27, 2020. The registration authority is the Huishan District Administrative Approval Bureau of Wuxi City, and the legal representative is Xia Guanggang. Core products: Large And Small Head Variable Diameter Reducer

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
New Shun Valve Group Co., Ltd2015-05-08Large And Small Head Variable Diameter Reducer101000K CNYSupported
Cangzhou Oulong Pipeline Equipment Manufacturing Co., Ltd2020-12-22Large And Small Head Variable Diameter Reducer28000K CNYSupported
Hengshui Zhengte Environmental Protection Equipment Co., Ltd2024-12-19Large And Small Head Variable Diameter Reducer, Frp Pipe Fittings, 300K CNYNot Supported
Hebei Yuechang Pipeline Manufacturing Co., Ltd2021-07-08Large And Small Head Variable Diameter Reducer, Compensator, Wear Resistant Pipe Fittings5000K CNYSupported
Jiangyin Fulei Steel Plate Processing Co., Ltd2007-07-05Large And Small Head Variable Diameter Reducer, U-Shaped Steel, Stainless Steel Bending Parts60000K CNYSupported
Guangdong Lecong Steel World Co., Ltd2009-03-25Large And Small Head Variable Diameter Reducer, Steel Pipe, Water Heating Valve11000K CNYSupported
Liaocheng Jiaxiang Steel Pipe Co., Ltd2014-03-10Large And Small Head Variable Diameter Reducer5000K CNYSupported
Yingang Pipeline Manufacturing Co., Ltd2019-08-01Large And Small Head Variable Diameter Reducer, Blind Flange, Flange112200K CNYSupported
Wuxi Hongquan Metal Materials Co., Ltd2016-07-11Large And Small Head Variable Diameter Reducer5000K CNYSupported
Wuxi Wujiuba Metal Products Co., Ltd2020-04-27Large And Small Head Variable Diameter Reducer3800K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of large and small head variable diameter 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 leakage risks caused by specification errors.
  • In high-pressure scenarios such as chemical or water treatment, the pressure bearing capacity and corrosion resistance of large and small head variable diameter reducers need to be evaluated with emphasis. Different application environments have significant differences in the technical parameter requirements of the product.
  • 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 and professional technical support.
  • Large and small head reducing pipes are commonly used in heating pipelines to regulate flow and pressure. When purchasing, it is necessary to select materials with thermal expansion coefficients that are compatible with the system design temperature range, such as carbon steel or stainless steel.

Knowledge Base

Q

Reducing pipes (big and small heads) are used for pipe diameter transition in chemical, water treatment, oil and gas, and HVAC pipeline systems, when connecting two different diameter pipes. Commonly found at pump inlet and outlet, equipment interface variable diameter positions, with corrosive working media and fluctuating pipeline pressure, requiring concentricity and wall thickness uniformity of pipe fittings to prevent local wear caused by fluid turbulence. Concentric and eccentric reduction

Q

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

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