2026 Top 10 Variable Diameter Joint Manufacturers in China

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, Female Threaded Elbow, Diverter Manifold

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, Welding Variable Diameter Joint

Hebei Baizhu Metal Products Co., Ltd

Hebei Baizhu Metal Products Co., Ltd., with its registered address in Sancun, Xinzhen Town, Wen'an County, Langfang City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Wen'an County, Langfang City. The legal representative is Niu Chundong, and its business scope includes the design, manufacturing, sales, and installation of cable trays and accessories, distribution boxes and accessories, distribution cabinets and accessories, bus ducts and accessories, seismic supports and hangers and accessories, pipe gallery supports and accessories, Hafen troughs, prefabricated building components, railings and accessories, lamp posts and accessories, fire pipes and accessories, keels and accessories, conduit and accessories, ventilation ducts and accessories; Mechanical equipment installation; Processing and selling solar photovoltaic brackets; Sell C-shaped steel, Z-shaped steel, H-beam, U-shaped steel, galvanized sheet, punched angle steel, and wires and cables. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Variable Diameter Joint, Aluminum Alloy Cable Tray, Molded Cable Tray

Hebei Baote Petroleum Machinery Co., Ltd

Hebei Baote Petroleum Machinery Co., Ltd. is registered in Xiliang Village, Wangqiansi Town, Jing County, Hengshui City, Hebei Province. The registration authority is Jing County Market Supervision Administration, and the legal representative is Wu Limin. Its business scope includes the production and sales of high-strength drilling hoses (water hoses), throttling and well killing pipelines, flame-retardant and fire-resistant hose assemblies, large-diameter hoses, high, medium and low pressure couplings, pneumatic couplings, telescopic steel couplings, high-pressure straight pipes, quick couplings, flexible couplings, high-pressure movable elbows, mud gate valves, one-way valves, plug valves, safety valves, fracturing tees, four-way valves, metal hoses, fiberglass pipes, composite manifolds, petroleum drilling and exploitation accessories, and special rubber nylon products; Import and export of goods or technology * * (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Variable Diameter Joint, High Pressure Straight Pipe,

Zhejiang Jede Pipe Industry Technology Co., Ltd

Zhejiang Jede Pipe Industry Technology Co., Ltd., registered at Building 5, No. 1199 Yansheng Road, Kunpeng Street, Wenzhou Marine Economy Development Demonstration Zone, Zhejiang Province, with the registration authority of Wenzhou Market Supervision Administration Bureau Marine Economy Development Demonstration Zone Branch and the legal representative being Wang Hongyan. Its business scope includes research and development, production, processing, and sales of pipeline fittings and flanges; Processing and sales: valves; Sales: steel pipes; Import and export of goods and technology. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Variable Diameter Joint, Flange, Pipe Cap

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, Stainless Steel Sheet Metal Parts, Round Heaven And Square Earth

Shenzhen Mofulong Technology Co., Ltd

Shenzhen Mofulong Technology Co., Ltd., with its registered address at Building 6, Industrial D Zone, Buyong Community, Shajing Street, Bao'an District, Shenzhen, is located on the first, second, and third floors of the factory building. The registration authority is the Bao'an Supervision Bureau of the Shenzhen Market Supervision Administration, and the legal representative is Li Xiangping. Its business scope includes the technical development and sales of conductive slip rings, collector rings, electronic products, electromechanical equipment, and control equipment products; Domestic trade; Import and export of goods and technology. Non residential real estate leasing, except for projects that require approval before registration as stipulated by laws, administrative regulations, and decisions of the State Council. The production of conductive slip rings, collector rings, electronic products, electromechanical equipment, and control equipment products, except for projects that require approval according to law, shall be carried out independently based on the business license. (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: Variable Diameter Joint, Mpcb Slip Ring, Through-Hole Slip Ring