... 3,1*7,1*19Steel material82B,77B High Carbon Steel Wire Rod SWRH 82B,77BStandardASTM A421-98, BS 5896-1980, ... .Acid-washing inspection 3.Wire drawing inspection 4.Left lay,Circular cylinder,Package inspectionUsageFor highways, bridge, building, key water control project ... SST Trading Co., Ltd. Operational Address: 4-911, Jiujiu Building, Southwest Crossing Of Jingjin Road And Longzhou Road, Beichen Dist ...