2026 Top 10 Variable Diameter Joint Manufacturers in China

Changzhou Gosman Pipeline Technology Co., Ltd

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

Shanghai Haifei Control Equipment Co., Ltd

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

Jiangyin Fulei Steel Plate Processing Co., Ltd

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

Hebei Weiji Pipeline Manufacturing Co., Ltd

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

Jingxian Tongmei Petroleum Machinery Co., Ltd

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

Anhui Hongyuan Ventilation Equipment Co., Ltd

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

Sichuan Chisheng Electrical Equipment Co., Ltd

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