2026 Top 10 Dual Core Adjustable Shrinkage Hole Manufacturers in China

Jiangsu United Power Machinery Manufacturing Co., Ltd

Jiangsu United Power Machinery Manufacturing Co., Ltd., registered at No. 2 Yulan Avenue, Xuyi County Economic Development Zone, with the registration authority of Xuyi County Administrative Approval Bureau and the legal representative of Xiao Aipei, is engaged in the design, manufacturing, processing, installation, and sales of main auxiliary equipment and spare parts for power plants, cable bridge frames, busbar switchgear, air doors, supports and hangers, expansion joints, toothed powder conveyors, non-standard metal structural components, and pneumatic components; Technical services and consulting for power equipment; Import and export business of various commodities and technologies through self operation and agency; Upgrading, retrofitting, technical services, and technical consulting for medium speed coal mills; Road transportation of ordinary goods, sales of pre packaged food; Information technology consulting and services for electromechanical equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Dual Core Adjustable Shrinkage Hole, Insert Plate Air Door, Separated Gate

Cangzhou Aosen Dike Pipe Fitting Manufacturing Co., Ltd

Cangzhou Aosen Dike Pipe Fitting Manufacturing Co., Ltd. is registered in Donghe Village, Niujinzhuang Township, Mengcun Hui Autonomous County. The registration authority is the Market Supervision Administration of Mengcun Hui Autonomous County, and the legal representative is Zhang Xinhua. Its business scope includes building decoration and manufacturing of plumbing pipe parts. Manufacturing, processing, and sales: pipe fittings, pipeline equipment; Sales: reducers, steel plates, steel pipes, tubing, hardware products, mechanical equipment, compensators, profiles, plates, fasteners, plastic products, valves, power plant accessories, green building materials; Anti corrosion and insulation of pipelines and fittings; Import and export of goods or technology (excluding goods or technology prohibited by the state or subject to administrative approval). Projects that require approval by law can only be operated after approval by relevant departments. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Dual Core Adjustable Shrinkage Hole, Big End And Small End, Flange

Cangzhou Youyi Pipeline Co., Ltd

Cangzhou Youyi Pipeline Co., Ltd., with its registered address located in Puwacheng Industrial Zone, Yanshan County, is registered with the Market Supervision Administration of Yanshan County. The legal representative is Jia Zhaojie, and its business scope includes the production of pipelines and accessories, elbows, tees, flanges, reducers, heads, wear-resistant pipelines, corrugated compensators, rubber joints, flange components, manholes, supports and hangers, power plant accessories, anti-corrosion steel pipes, insulation steel pipes, and mechanical equipment accessories. Projects that require approval by law can only be operated after approval by relevant departments.. Core products: Dual Core Adjustable Shrinkage Hole, Sewage Anti-Corrosion Pipeline, Insulated Spiral Steel Pipe

Cangzhou Haocheng Pipeline Co., Ltd

Cangzhou Haocheng Pipeline Co., Ltd. is registered in Changjin Village, Mengdian Township, Yanshan County. The registration authority is the Market Supervision Administration of Yanshan County, and the legal representative is Wang Yajun. The business scope includes general projects: production and sales of pipeline fittings, fittings, flanges, pipe plates, manholes, pipe supports, hangers, spiral steel pipes, straight seam steel pipes, seamless steel pipes, insulated steel pipes, polyurethane insulated pipes, steel sleeve steam insulated pipes, anti-corrosion steel pipes, coated pipes, acoustic measuring pipes, threading pipes, pile driving pipes, wear-resistant pipeline fittings, compensators, insulated joints, insulated flanges, hood type ventilation caps, bent pipes, heads, chemical power plant accessories, pipeline connection 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: Dual Core Adjustable Shrinkage Hole, Manhole, Insulated Steel Pipe

Hebei Yize Pipeline Co., Ltd

Hebei Yize Pipeline Co., Ltd., with its registered address located on the east side of Huangdianzi Village, Bianwu Township, Yanshan County, is registered with the Market Supervision Administration of Yanshan County. The legal representative is Zhang Hongwei, and its business scope includes manufacturing, processing, and producing carbon steel, stainless steel alloy steel pipes, elbows, flanges, three-way reducers, heads, manholes, supports and hangers, plug-in pipeline equipment, wear-resistant pipelines, plastic lined rubber lined pipelines, aerospace components, desulfurization and stripping components, concrete pump accessories, mechanical equipment, power plant accessories, fastening standard parts, and water treatment equipment; Sales of building materials, hardware and electrical equipment, machine tool accessories, groove fittings, plumbing fittings, fire-fighting equipment, sports equipment castings, steel, round steel, plastic pipes, valves, gaskets. 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; for general business projects, business activities can be carried out independently in accordance with the law).. Core products: Dual Core Adjustable Shrinkage Hole, Vent Cap, Gravity Explosion-Proof Door

Hebei Henghai Pipeline Equipment Manufacturing Co., Ltd

Hebei Henghai Pipeline Equipment Manufacturing Co., Ltd., with its registered address at Yanta Road, Yanshan Town, Yanshan County, is registered with the Yanshan County Market Supervision and Administration Bureau, and its legal representative is Qi Yingli. Its business scope includes the production of flange blind plates, elbows, tees, reducers, bends, pipe plates, pipeline fittings and equipment. 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.. Core products: Dual Core Adjustable Shrinkage Hole, Long Neck Flange,

Hebei Tengtai Pipeline Manufacturing Co., Ltd

Hebei Tengtai Pipeline Manufacturing Co., Ltd., with its registered address located in Puwacheng Park, Yanshan County Economic Development Zone, is registered with the Yanshan County Market Supervision and Administration Bureau, and its legal representative is Jia Zhaohui. Its business scope includes manufacturing pipelines, pipeline fittings and accessories, flange forgings, valves, power plant accessories, supports and hangers, conveying machinery and accessories, and sales of metal materials; Import and export business of self-produced products and technologies of enterprises. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Dual Core Adjustable Shrinkage Hole, Stainless Steel Elbow, Rubber Flexible Joint