PPGI cold rolled steel coils: 1)zinc 40-275gsm 2)thickness: ... , doorcase, light steel roof structure, folding screen, elevator, stairway, vent gutterElectrical applianceRefrigerator, washer, switch cabinet, instrument cabinet, air conditioning, micro ... , typewriter, instrument panel, weight sensor, photographic equipment The Honor:Nantong yineng color steel plate co., ltd can produce GI, GL ...