... 2 Coating 2 Baking process 4.Long life span Prepainted Steel CoilBrief Introduction1. Prepainted Steel Coil is ... (Outside) workshop, agricultural warehouse, residential precast unit, corrugated roof, wall, rainwater drainage pipe, terrace, retailer booth, roller ... shutter door(Inside) door, doorcase, light steel roof structure, folding screen, ceiling, elevator, stairway, vent gutter2 ...