... case, light steel roof structure, folding screen, elevator, stairway, vent gutterElectrical applianceRefrigerator, washer, switch cabinet, instrument cabinet, air conditioning, ... equipment. Wear resistant steel, high- strength - steel plate. Different Colours of Pre-Painted Galvanized Steel Coil Steel Sheet PPGI Verified ... is 2012/04/27 --- 2013/04/27 All the information below may covers both Gold ...