The HDG is a kind of coated steel with the cold rolled steel, it is produced through applying zinc coat on both faces by hot dip process.So it has good performance in corrosion resistance.                   The company now has two lines of GI, the designed capacity total 300000 tons with the specification of 0.13-1.2mm thickness and 750-1250 mm width. They are widely used for such industries as architecture,instruments, home applicances and automobiles as well