ERW Welded Carbon Steel Pipe Cangzhou Zhonghai Metal Products Co., Ltd. Base Info Length:8mGrade:HRB335Standard:GBTrademark:zhonghaiSpecification:1.1tonOrigin:CangzhouHS Code:7303009000 Description Pre:API 5CT Grade J55 Steel Casing Pipe Next:304 Stainless Steel Sheet Stainless Steel Sheet Metal Supplier