... prepainted steel products, corrugated steel sheet, etc. Operate Standard:ASTM A653M-04/JIS G3302/DIN EN10143/GBT 2518-2008 ... 4. coil id:508mm5. coil weight: 3-5MT(as required)6. surface:regular/mini/zero spangle, chromated, skin pass, ... , folding screen, elevator, stairway, vent gutterElectrical applianceRefrigerator, washer, switch cabinet, instrument cabinet, air conditioning, micro-wave oven, bread ...