2026 Top 10 Round Heaven And Square Earth Manufacturers in China

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: Round Heaven And Square Earth, Anti-Corrosion Pipe, Filter

Wuxi Xinchangyuan Environmental Protection Technology Co., Ltd

Wuxi Xinchangyuan Environmental Protection Technology Co., Ltd., registered at No. 289 Fangcheng Avenue (Southern Stainless Steel Market), 2nd Floor, Building 4, No. 113, Xinwu District, Wuxi City. The registration authority is Wuxi High tech Industrial Development Zone (Xinwu District, Wuxi City) Data Bureau, and the legal representative is Zhang Xin. The business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Mechanical equipment research and development; Sales of specialized equipment for environmental protection; Sales of specialized instruments and meters for environmental monitoring; Sales of mechanical equipment; Sales of metal materials; Sales of metal products; Import and export of goods; Technology import and export; 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: Round Heaven And Square Earth, Wet Electrostatic Precipitator, Stainless Steel Pipe

Cangzhou Jianqian Pipeline Equipment Co., Ltd

Cangzhou Jianqian Pipeline Equipment Co., Ltd. is registered at 200 meters east of Wuliyao Fanzhuang Community, Yanshan Town, Yanshan County. The registration authority is the Yanshan County Market Supervision Administration, and the legal representative is Sun Guolin. The company's business scope includes spiral steel pipes, seamless steel pipes, straight seam steel pipes, hot expansion steel pipes, anti-corrosion steel pipes, insulation steel pipes, coated steel pipes, anti-corrosion and insulation pipe fittings, pipe fittings, flanges, valves, head caps, compensators, supports and hangers, bolt washers, plates, profiles, threaded wires, metal materials, building materials, general machinery and equipment, hardware products, reinforcement rings, manholes, Magang castings, line forgings, ductile iron pipe fittings, and special-shaped parts. Sales and import/export business of polyethylene PE pipes, steel grating, PVC pipes, PPR pipes. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Round Heaven And Square Earth, Gas Collection Tank, Hot Dipped Plastic Steel Pipe

Hebei Qinghao Pipe Fitting Manufacturing Co., Ltd

Hebei Qinghao Pipe Fitting Manufacturing Co., Ltd., with its registered address located on the east side of Ouxi Company in Wuliyao, Yanshan County, is registered with the Market Supervision Administration of Yanshan County. The legal representative is Pang Yanyan, and its business scope includes manufacturing pipeline fittings, fittings, flanges, pressure vessel fittings, sockets, steel pipes, compensators, manholes, and miscellaneous items for power plants; Sell valves, insulated steel pipes, and anti-corrosion steel pipes. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Round Heaven And Square Earth, Tube Plate Series, Grooved Pipe Fittings

Hebei Shengbang Xinyue Pipe Fitting Manufacturing Co., Ltd

Hebei Shengbang Xinyue Pipe Fitting Manufacturing Co., Ltd., with its registered address located on the east side of the north-south highway in Zhaozhuangzi Village, Niujinzhuang Township, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province, is registered with the Market Supervision Administration of Mengcun Hui Autonomous County. The legal representative is Zhao Yuemei. The company's business scope includes manufacturing, processing, and selling flanges, elbows, reducers, tees, tees, tees, pipe clamps, pump pipes, power plant accessories, supports and hangers, and sockets. The company also sells steel, pipes, anti-corrosion insulation, pipes and fittings, metal materials, and metal products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Round Heaven And Square Earth, Epoxy Asphalt Anti-Corrosion Steel Pipe, Blind Flange

Hebei Xinjuyang Pipeline Manufacturing Co., Ltd

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: Round Heaven And Square Earth, Plastic-Coated Steel Pipe, Seamless Straight Seam Steel Pipe

Cangzhou Xiangsheng Pipeline Equipment Manufacturing Co., Ltd

Cangzhou Xiangsheng Pipeline Equipment Manufacturing Co., Ltd. is registered in Zhouwu Village, Bianwu Township, Yanshan County. The registration authority is the Market Supervision Administration of Yanshan County, and the legal representative is Zhou Qingxiang. Its business scope includes manufacturing and selling manholes, valves, supports and hangers, smoke, air and coal powder pipeline equipment, compensators, pipelines, pipeline accessories, power plant accessories, flanges, elbows, tees, wear-resistant pipe fittings, and pump truck pump accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Round Heaven And Square Earth, Stainless Steel Butt Welded Elbow, Turning Arm