... competitive price ,good quality and quick delivery time. Galvanizing steel (GI )1)material of galvanizing steel :SGCC ,SGCD ,DX51D,DX52D,DX53D,ETC.1) Thickness ... /unoiled 7) Surface finish of galvanizing steel : Regular spangle, minimized spangle, zero spangle 8) Steel grade and standard of galvanizing steel: JIS G3302 , EN10142, ASTM653 ...