Updated Oct 8, 2026 · Public platform & industry data

Oct 8, 2026 Updated

English
title decor left

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

title decor right

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: Hebei Wohan Environmental Protection Equipment Co., Ltd, New Shun Valve Group Co., Ltd, Hebei Yuechang Pipeline Manufacturing Co., Ltd, Wuxi Yiqisheng Steel Co., Ltd, Guangdong Lecong Steel World Co., Ltd, Wuxi Hongquan Metal Materials Co., Ltd, Yingang Pipeline Manufacturing Co., Ltd, Hebei Lihang Pipeline Manufacturing Co., Ltd, Hebei Shifei Pipeline Manufacturing Co., Ltd, Hebei Guangxin Pipeline Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

Collapse
Region FilterRegion
Top 1
background image
Hebei Wohan Environmental Protection Equipment Co., Ltd
Overall Score4.9 / 5
Est. Date2017-08-21
Registered Capital3000K CNY

Hebei Wohan Environmental Protection Equipment Co., Ltd. is registered in Houchenzhuang Village, Wangjun Township, Zaoqiang County, Hengshui City, Hebei Province. The registration authority is the Administration for Industry and Commerce of Zaoqiang County, Hengshui City, and the legal representative is Chen Bing. The company's business scope includes processing, manufacturing, and selling environmental protection equipment, fiberglass products, purification and energy-saving equipment, sewage treatment equipment, dust removal equipment, conveyor accessories, fiberglass winding products, cooling towers and fillers, central air conditioning terminal supporting products, rubber products, automation supporting products, molded products, pipeline products, containers, filters, anti-corrosion and insulation engineering, non-standard steel structure products, gas regulator equipment, wire and cable, optical cable, cable materials, cable fittings, cable accessories, high and low voltage cabinets, power auxiliary equipment. And accessories, engineering construction and installation, To engage in the export business of self-produced products and technologies of our enterprise, as well as the import business of mechanical equipment, spare parts, raw materials and technologies required by our 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 Reducer, Fiberglass Bend, Fiberglass Motor Cover

Top 2
background image
New Shun Valve Group Co., Ltd
Overall Score4.7 / 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 3
background image
Hebei Yuechang Pipeline Manufacturing Co., Ltd
Overall Score4.7 / 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

TOP4
Wuxi Yiqisheng Steel Co., Ltd
Overall Score4.6 / 5
Est. Date2022-06-15
Registered Capital20000K CNY

Wuxi Yiqisheng Iron and Steel Co., Ltd., registered at 1-7-471, Zone C, Jinshanbei Science and Technology Industrial Park, Liangxi District, Wuxi City, registered with the Administrative Approval Bureau of Liangxi District, Wuxi City. The legal representative is Hang Chao, and the business scope includes general projects: sales of metal materials; Sales of non-ferrous metal alloys; Sales of building materials; Sales of building decoration materials; Wholesale of hardware products; Retail of hardware products; Sales of metal products; Sales of mechanical equipment; Sales of mechanical parts and components; Sales of rubber products; Import and export of goods; Technology import and export; Import and export agency; Sales of anti-corrosion materials; Sales of engineering plastics and synthetic resins (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law). Core products: Large And Small Head Variable Diameter Reducer, Cold Drawn Steel, Stainless Steel Plate

TOP5
Guangdong Lecong Steel World Co., Ltd
Overall Score4.6 / 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

TOP6
Wuxi Hongquan Metal Materials Co., Ltd

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

Overall Score4.5 / 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

TOP7
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

TOP8
Hebei Lihang Pipeline Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2016-11-30
Registered Capital30000K CNY

Hebei Lihang Pipeline Manufacturing Co., Ltd., with its registered address located in Puwacheng Park, Yanshan Economic Development Zone, Hebei Province, is registered with the Market Supervision Administration of Yanshan County. The legal representative is Wang Pengcheng, and its business scope includes general projects such as metal structure manufacturing; Manufacturing of metal products for safety and firefighting purposes; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Manufacturing of metal materials; Manufacturing of hardware products; Sales of metal materials; Sales of plastic products; Sales of valves and plugs; Sales of insulation materials; Sales of anti-corrosion materials; Paint sales (excluding hazardous chemicals). (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, Plastic-Coated Pipe, Flange

TOP9
Hebei Shifei Pipeline Manufacturing Co., Ltd
Overall Score4.4 / 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: Large And Small Head Variable Diameter Reducer, Steel Plate, Elbow

TOP10
Hebei Guangxin Pipeline Co., Ltd
Overall Score4.4 / 5
Est. Date2020-10-28
Registered Capital20000K CNY

Hebei Guangxin Pipeline Co., Ltd. is registered at No. 016 Zhengde Road, Zhenggang Park, Yanshan County Economic Development Zone, Cangzhou City, Hebei Province. The registration authority is Yanshan County Market Supervision Administration Bureau, and the legal representative is Wang Yongchao. The business scope includes the production and sales of pipes, fittings, flanges, valves, pipeline accessories, wear-resistant, insulation, plastic lined anti-corrosion pipes and fittings, rubber products, supports and hangers, compensators, machine tool accessories, mechanical conveying equipment, hardware products, sports equipment, goods and technology import and export business. (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, Lined Plastic Storage Tank, Ptfe Lined Pipeline Fittings

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Hebei Wohan Environmental Protection Equipment Co., Ltd2017-08-21Large And Small Head Variable Diameter Reducer, Fiberglass Bend, Fiberglass Motor Cover3000K CNYSupported
New Shun Valve Group Co., Ltd2015-05-08Large And Small Head Variable Diameter Reducer101000K CNYSupported
Hebei Yuechang Pipeline Manufacturing Co., Ltd2021-07-08Large And Small Head Variable Diameter Reducer, Compensator, Wear Resistant Pipe Fittings5000K CNYSupported
Wuxi Yiqisheng Steel Co., Ltd2022-06-15Large And Small Head Variable Diameter Reducer, Cold Drawn Steel, Stainless Steel Plate20000K CNYSupported
Guangdong Lecong Steel World Co., Ltd2009-03-25Large And Small Head Variable Diameter Reducer, Steel Pipe, Water Heating Valve11000K CNYSupported
Wuxi Hongquan Metal Materials Co., Ltd2016-07-11Large And Small Head Variable Diameter Reducer5000K CNYSupported
Yingang Pipeline Manufacturing Co., Ltd2019-08-01Large And Small Head Variable Diameter Reducer, Blind Flange, Flange112200K CNYSupported
Hebei Lihang Pipeline Manufacturing Co., Ltd2016-11-30Large And Small Head Variable Diameter Reducer, Plastic-Coated Pipe, Flange30000K CNYSupported
Hebei Shifei Pipeline Manufacturing Co., Ltd2018-04-12Large And Small Head Variable Diameter Reducer, Steel Plate, Elbow68000K CNYSupported
Hebei Guangxin Pipeline Co., Ltd2020-10-28Large And Small Head Variable Diameter Reducer, Lined Plastic Storage Tank, Ptfe Lined Pipeline Fittings20000K CNYSupported

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