ASTM A53B High Standard Tight Tolerance Cold Drawn Seamless Steel Pipe Piping

ASTM A53B High Standard Tight Tolerance Cold Drawn Seamless Steel Pipe Piping Yantai Xinpeng Steel Pipe Co,.Ltd. is one of the best suppliers of the precision tube and hydraulic cylinder tube in North of China. Since 2002 cold drawn machine set importing, Xinpeng become a big precision steel...