Mis à jour Oct 31, 2026 · Données publiques de la plateforme et du secteur

Oct 31, 2026 Mis à jour

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2026 Top 10 Variable Diameter Joint Manufacturers in China

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

The top 10 Variable Diameter Joint manufacturers in China for 2026 are: Yueqing Shenwei Pneumatic Co., Ltd, Hengshui Ruici Rubber Products Co., Ltd, Shanghai Haifei Control Equipment Co., Ltd, Shanghai Guanying Vibration Reduction Equipment Co., Ltd, Sichuan Chisheng Electrical Equipment Co., Ltd, Anhui Hongyuan Ventilation Equipment Co., Ltd, Changzhou Gosman Pipeline Technology Co., Ltd, Jingxian Tongmei Petroleum Machinery Co., Ltd, Jiangyin Fulei Steel Plate Processing Co., Ltd, Hebei Weiji 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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Yueqing Shenwei Pneumatic Co., Ltd
Note globale4.9 / 5
Date de création2012-02-16
Capital social10000K CNY

Yueqing Shenwei Pneumatic Co., Ltd., with its registered address in Shangchi Village, Liushi Town, Yueqing City, Zhejiang Province, is registered with the Yueqing Market Supervision Administration. The legal representative is Lv Dongen, and its business scope includes general projects such as manufacturing of pneumatic power machinery and components; Manufacturing of hydraulic power machinery and components; Manufacturing of electronic vacuum devices; Manufacturing of metal tools; Manufacturing of instruments and meters; Manufacturing of distribution switch control equipment; Manufacturing of mechanical and electrical equipment; Manufacturing of plastic products; Sales of plastic products; Sales of rubber products; Wholesale of hardware products; Internet sales (except for the sale of goods that need to be licensed); Software development (except for projects that require approval by law, conducting business activities independently with a business license in accordance with the law). Licensed project: Import and export of goods; Technology import and export (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results).. Core products: Variable Diameter Joint, Non Standard Cylinder, Other Pneumatic Components

Top 2
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Hengshui Ruici Rubber Products Co., Ltd
Note globale4.7 / 5
Date de création2020-04-13
Capital social3000K CNY

Hengshui Ruici Rubber Products Co., Ltd. is located at No. 92 Dazhouzhuang Village, Duqiao Town, Jing County, Hengshui City, Hebei Province. It was established on April 13, 2020, with the registration authority of Jing County Market Supervision Administration and the legal representative being Zhou Mingjian. Core products: Variable Diameter Joint, Teflon Tube, Clamp On Rubber Hose

Top 3
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Shanghai Haifei Control Equipment Co., Ltd
Note globale4.7 / 5
Date de création2011-11-02
Capital social5000K CNY

Shanghai Haifei Control Equipment Co., Ltd., located at Room 127, Building 1, No. 943 Lingzhi Village, Fengpu Development Zone, Fengxian District, Shanghai, was established on November 2, 2011. The registration authority is the Fengxian District Market Supervision Administration, and the legal representative is Ding Bangfu. Core products: Variable Diameter Joint, Norgren Valve, None

TOP4
Shanghai Guanying Vibration Reduction Equipment Co., Ltd

No. 11-10, Lane 333, Rongbei Road, Songjiang District, Shanghai, Building 11, No. 11-4

Note globale4.6 / 5
Date de création2010-10-28
Capital social4600K CNY

Shanghai Guanying Vibration Reduction Equipment Co., Ltd., located at No. 11-10, Lane 333, Rongbei Road, Songjiang District, Shanghai, was established on October 28, 2010. The registered authority is the Songjiang District Market Supervision Administration, and the legal representative is Liu Cuilan. Core products: Variable Diameter Joint, Stainless Steel Corrugated Compensator, Sleeve Compensator

TOP5
Sichuan Chisheng Electrical Equipment Co., Ltd
Note globale4.6 / 5
Date de création2019-11-25
Capital social10000K CNY

Sichuan Chisheng Electrical Equipment Co., Ltd., registered at Group 3, Tanlin Village, Beiwai Township, Guanghan City, Deyang City, Sichuan Province, with the registration authority of Guanghan Market Supervision Administration and the legal representative of Tu Taihui, operates in the manufacturing of electrical machinery and equipment; Manufacturing of metal structures; Manufacturing of metal processing machinery; Black metal casting; Manufacturing of forgings and powder metallurgy products; Sales of mechanical equipment, hardware products, and electronic products; Wholesale of metals and metal ores (excluding hazardous chemicals); Selling building materials. (The above business scope does not include projects prohibited or restricted by the state, nor does it include sand and gravel processing and operation) (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Variable Diameter Joint, Fireproof Bus Duct, Cable Tray

TOP6
Anhui Hongyuan Ventilation Equipment Co., Ltd
Note globale4.5 / 5
Date de création2019-05-23
Capital social5000K CNY

Anhui Hongyuan Ventilation Equipment Co., Ltd., registered at Building 5, Hefei Haiyin Tower Co., Ltd., Daguo Road, Cuozhen Town, Feidong County, Hefei City, Anhui Province, registered with Feidong County Market Supervision and Administration Bureau, with Zhong Ziming as the legal representative. Its business scope includes HVAC equipment, ventilation equipment and accessories, refrigeration equipment assembly, sales, maintenance and installation; Production of common boards, air ducts, spiral air ducts and accessories, corner codes, flanges, shock absorbers, oil fume purifiers, fans, insulation materials, wires and cables, hardware and electrical equipment, communication equipment, electronic equipment, electromechanical equipment, rubber sheets, ventilation equipment, valves, pipelines, cable trays, labor protection supplies, steel, building materials, and decoration materials sales; Sales and installation of environmental protection systems and security systems. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Variable Diameter Joint, The Sky Is Round And The Earth Is Square, Welded Pipe

TOP7
Changzhou Gosman Pipeline Technology Co., Ltd
Note globale4.5 / 5
Date de création2018-12-10
Capital social10000K 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: Variable Diameter Joint, Socket Reducer Four-Way, Pvdf

TOP8
Jingxian Tongmei Petroleum Machinery Co., Ltd
Note globale4.5 / 5
Date de création2012-12-21
Capital social3269.6K CNY

Jingxian Tongmei Petroleum Machinery Co., Ltd., registered in Zhongguozhuang, Jingzhou Town, Jingxian County, with the Jingxian Market Supervision and Administration Bureau as the registration authority and Meng Fanxia as the legal representative, is engaged in the production and sales of high-pressure flexible elbows, drilling hoses (water hoses), rigid straight pipe assemblies (hard pipelines), BOP control pipelines (fire-resistant pipes), high-pressure couplings, pneumatic couplings, steel couplings, flexible throttling and pressure well pipelines, plug valves, single flow valves, throttling valves, emergency relief valves (safety valves), variable diameter joints, integral joints, ring manifolds, API flanges, steel wire weaving, winding high-pressure hoses and assemblies, medium and low-pressure hoses and hose connectors, metal hoses, compensators. Sealing components * * (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Variable Diameter Joint, Tight Cap, Filter Press Feeding Hard Pipe Joint

TOP9
Jiangyin Fulei Steel Plate Processing Co., Ltd
Note globale4.4 / 5
Date de création2007-07-05
Capital social60000K 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: Variable Diameter Joint, Rack, Corrugated Sheet

TOP10
Hebei Weiji Pipeline Manufacturing Co., Ltd
Note globale4.4 / 5
Date de création2016-04-22
Capital social3010K 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: Variable Diameter Joint, Taper Pipe, Large Diameter Cone Tube

Comparaison détaillée des fabricants

FabricantDate de créationProduits principauxCapital socialPersonnalisation
Yueqing Shenwei Pneumatic Co., Ltd2012-02-16Variable Diameter Joint, Non Standard Cylinder, Other Pneumatic Components10000K CNYPris en charge
Hengshui Ruici Rubber Products Co., Ltd2020-04-13Variable Diameter Joint, Teflon Tube, Clamp On Rubber Hose3000K CNYNon pris en charge
Shanghai Haifei Control Equipment Co., Ltd2011-11-02Variable Diameter Joint, Norgren Valve, None5000K CNYNon pris en charge
Shanghai Guanying Vibration Reduction Equipment Co., Ltd2010-10-28Variable Diameter Joint, Stainless Steel Corrugated Compensator, Sleeve Compensator4600K CNYNon pris en charge
Sichuan Chisheng Electrical Equipment Co., Ltd2019-11-25Variable Diameter Joint, Fireproof Bus Duct, Cable Tray10000K CNYNon pris en charge
Anhui Hongyuan Ventilation Equipment Co., Ltd2019-05-23Variable Diameter Joint, The Sky Is Round And The Earth Is Square, Welded Pipe5000K CNYNon pris en charge
Changzhou Gosman Pipeline Technology Co., Ltd2018-12-10Variable Diameter Joint, Socket Reducer Four-Way, Pvdf10000K CNYPris en charge
Jingxian Tongmei Petroleum Machinery Co., Ltd2012-12-21Variable Diameter Joint, Tight Cap, Filter Press Feeding Hard Pipe Joint3269.6K CNYPris en charge
Jiangyin Fulei Steel Plate Processing Co., Ltd2007-07-05Variable Diameter Joint, Rack, Corrugated Sheet60000K CNYPris en charge
Hebei Weiji Pipeline Manufacturing Co., Ltd2016-04-22Variable Diameter Joint, Taper Pipe, Large Diameter Cone Tube3010K CNYPris en charge

Guide d'achat

D'après les retours réels des utilisateurs, nous proposons les suggestions suivantes :

  • For procurement requirements that require the use of variable diameter joints, it is recommended to prioritize confirming key technical parameters such as interface size, pressure rating, and material to ensure compatibility with existing pipeline systems.
  • In different scenarios such as chemical or water supply, the corrosion resistance and sealing performance of variable diameter joints need to be selected differentially based on the characteristics of the medium to avoid leakage risks caused by parameter mismatch.
  • When selecting suppliers, priority should be given to product matching, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information to balance procurement reliability and long-term cooperation potential.
  • Variable diameter joints are commonly used in HVAC systems to connect pipes of different diameters. When purchasing, attention should be paid to the compatibility of their thermal expansion coefficient with the operating temperature of the system, in order to reduce deformation problems caused by temperature differences.

Base de connaissances

Q

This article analyzes the key points for selecting 50mm plastic water pipe variable diameter joints, including size matching principles, common variable diameter combinations, and installation precautions, to help readers quickly find suitable pipe connection solutions.

Q

1、 Specification Introduction 1. DN25-DN1200: This is a common specification suitable for connecting some small and medium-sized pipelines. Its inner diameter (i.e. small head diameter) ranges from 25-1200mm. 2. DN1400-DN2200: Steel pipe variable diameter joints can be used for larger pipeline connections. The inner diameter range of this specification is 1400-2

Q

This article mainly introduces the definition and function of variable diameter joints, answers the question of whether variable diameter joints belong to pipeline accessories, and introduces common pipeline accessories.

Méthode d'évaluation du classement

Ce classement est généré à partir des données publiques de la plateforme Baidu B2B et des critères d'évaluation courants du secteur, en mettant l'accent sur l'activité de l'entreprise, les qualifications commerciales, l'adéquation des produits et les performances sectorielles, afin de fournir aux acheteurs des informations de classement utiles sur les fabricants.

CritèreDescription
Source des donnéesDonnées multidimensionnelles comprenant les données publiques de la plateforme, la certification des entreprises, les avis des utilisateurs et les historiques de transactions
ÉvaluationIndicateurs complets comprenant l'activité de l'entreprise, les qualifications, la qualité des produits, la capacité de service et la réputation auprès des utilisateurs
Fréquence de mise à jourLes données du classement sont mises à jour quotidiennement pour garantir leur actualité et leur exactitude
ConseilLes classements sont fournis à titre indicatif. Nous recommandons une évaluation complète en fonction des besoins réels