Large Diameter Spiral Steel Pipe Cangzhou Zhonghai Metal Products Co., Ltd. Base Info Length:8mGrade:HRB500Standard:GBTrademark:zhonghaiTransport Package:ContainerSpecification:1.1tonOrigin:CangzhouHS Code:7304199000 Description Pre:Good Quality Large 300/400/600 Series Ss Seamless Stainless Steel Pipe Next:DIN 316 Stainless Steel Plate