carbon steel wire rods Coil 5.5mm SWRH82B,SWRH77B,SWRS82B, H08A,ER70S-6,SWRH62A, ... ER70S-2,ER70S-3,ER70S-4,ER70S carbon steel wire rods Coil 5.5mmSWRH82B,SWRH77B,SWRS82B, H08A,ER70S-6,SWRH62A,SWRH72A ... can meet the requirement of metalwork industry. carbon steel wire rods