Updated Oct 26, 2026 · Public platform & industry data

Oct 26, 2026 Updated

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2026 Top 10 Eccentric Variable Diameter Pipe Manufacturers in China

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

The top 10 Eccentric Variable Diameter Pipe manufacturers in China for 2026 are: Foshan Kuankuan Stainless Steel Co., Ltd, Chengdu Rongshun Materials Co., Ltd, Hebei Xinjuyang Pipeline Manufacturing Co., Ltd, Jiangyin Fulei Steel Plate Processing Co., Ltd, Changzhou Gosman Pipeline Technology Co., Ltd, Hebei Weiji Pipeline Manufacturing Co., Ltd, Shanghai Baiyi Special Materials Co., Ltd, Yanshan County Yuanchuang Pipe Fitting Sales Office (Individual Industrial and Commercial Household), Wuxi Shengqingyuan Metal Products Co., Ltd, Hebei Chuangde Pipeline Equipment 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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Foshan Kuankuan Stainless Steel Co., Ltd
Overall Score4.9 / 5
Est. Date2011-03-03
Registered Capital30000K CNY

Foshan Kuanyu Stainless Steel Co., Ltd., registered at 1705, 17th floor, Jinhai Creative Center, No. 142 Yuhe Road, Foshan New City, Lecong Community, Lecong Town, Shunde District, Foshan City, Guangdong Province (registered address declared), registered with the Market Supervision Administration of Shunde District, Foshan City, with Huang Kuanming as the legal representative. Its business scope includes general projects: sales of metal fittings for construction; Wholesale of hardware products; Retail of hardware products; Sales of metal materials; Sales of insulation materials; Software development; Network technology services; Research and development of metal products; Research and development of hardware products; Sales of metal structures; Sales of metal products; Sales of metal seals; Mold sales. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed projects: import and export of goods; Technology import and export; Various engineering construction activities.. Core products: Eccentric Variable Diameter Pipe, Stainless Steel Pipe Fittings, Stainless Steel Seamless Pipe

Top 2
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Chengdu Rongshun Materials Co., Ltd
Overall Score4.7 / 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: Eccentric Variable Diameter Pipe, Stainless Steel Seamless Pipe, Seamless Tube

Top 3
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Hebei Xinjuyang Pipeline Manufacturing Co., Ltd
Overall Score4.7 / 5
Est. Date2025-06-26
Registered Capital51180K CNY

Hebei Xinjuyang Pipeline Manufacturing Co., Ltd., located at No. 76 Gaoyao Village, Hanji Town, Yanshan County, was established on June 26, 2025. The registered authority is the Yanshan County Market Supervision Administration, and the legal representative is Hu Yulin. Core products: Eccentric Variable Diameter Pipe, Compensator, Manhole

TOP4
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: Eccentric Variable Diameter Pipe, Rack, Stainless Steel Sheet Metal Parts

TOP5
Changzhou Gosman Pipeline Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2018-12-10
Registered Capital10000K CNY

Changzhou Gosman Pipeline Technology Co., Ltd., with its registered address at 671 Hanjiang Road, Xinbei District, Changzhou City, Jiangsu Province, is registered with the Government Service Management Office of Changzhou High tech Industrial Development Zone (Xinbei District). The legal representative is Zou Taofeng, and its business scope includes the production, research and development, and sales of pipeline equipment and accessories, as well as plastic products; Sales of hardware products, boards, valves, molds, electronic components, and chemical raw materials (excluding hazardous materials); 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 by law, business activities can only be carried out after approval by relevant departments) Licensed projects: import and export of goods; Technology import and export; Import and export agency (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results). Core products: Eccentric Variable Diameter Pipe, Hot Melt Tee, Pvdf

TOP6
Hebei Weiji Pipeline Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2016-04-22
Registered Capital3010K CNY

Hebei Weiji Pipeline Manufacturing Co., Ltd. is registered in Houliu Village, Yanshan Town, Yanshan County. The registration authority is the Administration for Industry and Commerce of Yanshan County, and the legal representative is Liu Shengbin. Its business scope includes manufacturing pipelines and pipeline fittings, pipe fittings, sales of spiral pipes, seamless pipes, concrete pump fittings, conveying machinery equipment and accessories, wear-resistant pipelines, hardware products, sports equipment, valves, and machine tool accessories. To engage in the import and export business of self-produced products and technologies of our enterprise, as well as the import and export 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: Eccentric Variable Diameter Pipe, Taper Pipe, Cone Tube

TOP7
Shanghai Baiyi Special Materials Co., Ltd
Overall Score4.5 / 5
Est. Date2019-01-02
Registered Capital8000K CNY

Shanghai Baiyi Special Materials Co., Ltd., with its registered address at 4399 Shenshen Road, Chedun Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Bureau. The legal representative is Wu Xiaowei, and its business scope includes the sales of metal products, metal materials, steel, building materials, daily necessities, wood, fuel oil (excluding dangerous goods), lubricants, needle textiles, textile raw materials, communication equipment, leasing of self owned houses, technology development, technical consulting, technical services, technology transfer in the fields of network, computer, and information technology, business information consulting, e-commerce (excluding value-added telecommunications and financial services), professional construction of building decoration and construction projects, installation and maintenance of mechanical equipment (excluding special), and import and export of goods and technology. The sentence is:. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Eccentric Variable Diameter Pipe, Spectacle Blind, Equal Tee

TOP8
Yanshan County Yuanchuang Pipe Fitting Sales Office (Individual Industrial and Commercial Household)
Overall Score4.5 / 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: Eccentric Variable Diameter Pipe, Firefighting Trench Fittings, Epoxy Coal Tar Anti-Corrosion Steel Pipe

TOP9
Wuxi Shengqingyuan Metal Products Co., Ltd
Overall Score4.4 / 5
Est. Date2024-05-10
Registered Capital5080K CNY

Wuxi Shengqingyuan Metal Products Co., Ltd., with its registered address at 15-3 Qianqiao Weilu Road, Huishan District, Wuxi City, is registered with the Administrative Approval Bureau of Huishan District, Wuxi City. The legal representative is Sheng Fengkuan, and its business scope includes general projects such as metal material sales; Sales of metal products; Sales of metal chains and other metal products; Sales of metal cutting machine tools; Sales of metal wire ropes and their products; Sales of metal cutting and welding equipment; Sales of metal structures; Sales of non-ferrous metal alloys; Wholesale of hardware products; Sales of high-quality special steel materials; Sales of building materials; Sales of mechanical equipment; Loading and unloading handling; Import and export of goods; 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: Eccentric Variable Diameter Pipe, Large Caliber Square Tube, Angle Steel

TOP10
Hebei Chuangde Pipeline Equipment Co., Ltd

South of Bulaoqiao Village, Xindian Town, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province

Overall Score4.4 / 5
Est. Date2020-08-04
Registered Capital12000K CNY

Hebei Chuangde Pipeline Equipment Co., Ltd. is located in Bulaoqiao Village, Xindian Town, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province. It was established on August 4, 2020 and registered with the Market Supervision Administration of Mengcun Hui Autonomous County. The legal representative is Xia Zhaolei. Core products: Eccentric Variable Diameter Pipe, Head, Flange

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Foshan Kuankuan Stainless Steel Co., Ltd2011-03-03Eccentric Variable Diameter Pipe, Stainless Steel Pipe Fittings, Stainless Steel Seamless Pipe30000K CNYSupported
Chengdu Rongshun Materials Co., Ltd2003-04-16Eccentric Variable Diameter Pipe, Stainless Steel Seamless Pipe, Seamless Tube500K CNYNot Supported
Hebei Xinjuyang Pipeline Manufacturing Co., Ltd2025-06-26Eccentric Variable Diameter Pipe, Compensator, Manhole51180K CNYSupported
Jiangyin Fulei Steel Plate Processing Co., Ltd2007-07-05Eccentric Variable Diameter Pipe, Rack, Stainless Steel Sheet Metal Parts60000K CNYSupported
Changzhou Gosman Pipeline Technology Co., Ltd2018-12-10Eccentric Variable Diameter Pipe, Hot Melt Tee, Pvdf10000K CNYSupported
Hebei Weiji Pipeline Manufacturing Co., Ltd2016-04-22Eccentric Variable Diameter Pipe, Taper Pipe, Cone Tube3010K CNYSupported
Shanghai Baiyi Special Materials Co., Ltd2019-01-02Eccentric Variable Diameter Pipe, Spectacle Blind, Equal Tee8000K CNYSupported
Yanshan County Yuanchuang Pipe Fitting Sales Office (Individual Industrial and Commercial Household)2024-12-18Eccentric Variable Diameter Pipe, Firefighting Trench Fittings, Epoxy Coal Tar Anti-Corrosion Steel Pipe-Supported
Wuxi Shengqingyuan Metal Products Co., Ltd2024-05-10Eccentric Variable Diameter Pipe, Large Caliber Square Tube, Angle Steel5080K CNYSupported
Hebei Chuangde Pipeline Equipment Co., Ltd2020-08-04Eccentric Variable Diameter Pipe, Head, Flange12000K CNYSupported

Purchasing Guide

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

  • In the actual procurement process of eccentric variable diameter pipes, it is recommended to prioritize confirming key technical parameters such as the range of pipe diameter changes and eccentricity, to ensure compatibility with existing pipeline systems and avoid installation difficulties or leakage risks caused by non-compliance with specifications.
  • Eccentric variable diameter pipes are widely used in fluid transportation systems in industries such as chemical and metallurgical. When purchasing, it is necessary to consider performance requirements such as corrosion resistance and pressure bearing capacity based on specific scenarios. For example, special materials should be selected for acidic media environments.
  • When selecting suppliers, priority should be given to indicators such as product compatibility, business qualifications, enterprise activity, industry performance, and industry data support to ensure supply stability and technical reliability.
  • For the requirement of eccentric variable diameter pipes in long-distance pipeline engineering, it is recommended to pay attention to the actual application cases of suppliers in similar projects, and verify whether the products comply with industry standards such as ANSI or DIN specifications.

Knowledge Base

Q

This article analyzes the key points for selecting eccentric diameter changes in horizontal pipelines, including applicable scenarios, installation techniques, and common misconceptions, to help readers easily grasp the core knowledge of pipeline diameter changes.

Q

This article analyzes the key factors for choosing top or bottom eccentricity when changing the diameter of air ducts, and discusses the airflow characteristics, installation scenarios, and maintenance convenience to help readers make a reasonable choice.

Q

Eccentric variable diameter pipe is a special fitting used in pipeline connections, mainly used to connect two pipes of different diameters, and can be connected at different heights or positions. Its function is to adjust the height and position of the pipeline, and solve the unevenness problem that occurs during the pipeline installation process

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