Ningbo Zhehua Heavy Steel Pipe Manufacturing Co., Ltd., a subsidiary of Shanghai Huaye Iron & Steel Group, is a large-scale enterprise specialized in manufacturing large-diameter, longitudinal seam, double-side, submerged-arc welded steel pipes and spiral seam, double-side, submerged-arc welded steel pipes. The Company Established in 2004, the Company now has more than 300 employees, a registered capital of RMB40, 000, 000, and a 80, 000 square-meter site in the Ningbo Camel Mechanical and Electrical Industrial Park, which is of convenient transportation, with State Highway 319 and Expressway-Ring around Ningbo City (Baoguoshi Exit) in the vicinity and Port of Ningbo only 15 kilometers away. With one domestically advanced JCOE production line for large-diameter, double-side, submerged-arc welded steel pipes, three US Lincoln production lines for spiral seam, double-side, submerged-arc welded steel pipes and two REF production lines for roll-bending, double-side, submerged-arc welde

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