... (0.14MM-0.6MM)*1250 OR UNDER TYPE COILS,SHEET,ROOFING SHEET COILS,SHEET,ROOFING SHEET COILS,SHEET,ROOFING SHEET SURFACE TREAMENT Chromate treament big,zero,mini,regular spangle ... ,full hard) APPLICATION SHUTTER ROLLER DOOR,BULIDING CONSRUCTION,GABAGE CAN,ROOFING SHEET,VENTILATOR,ETC.