... and Steel Iron and Steel Group is a wholly-owned foreign trade company in Shanghaiqingdao puyu steel co., ltd is proud to share ... standard Grade:Q195-Q235and SPCC,SPCD,SPCE,SGCC(DX51D+Z)SGCD(DX52D+Z)etc.surface treatment:chromated,unoiled/oiled,bright flnished,spangle ...