... (Tonghua Iron & Steel Group Corporation). we mainly export galvanized product, such as:Galvanized sheet: Material: DC51D+Z, DC51D, 150G, 150/200G ... DC54D+ZF, BLD, DC56D+ZFElectro galvanizing: Material: SECIF, CENHot dip galvanized coil: Material: DX51D+Z-DX53D+ZHot dip aluminum zinc: Material: DC51D ... product, please don;t hesitate to contact me,Best regardsYOLANDA galvanized steel,coil,sheet