... .14--1.2 mm 3.Type: 760,820,850,900,840 etc 4.Usage: Roofing and Wall Product Specification:Standard: GB/T12754-2006Base ... : Color coated steel coilsPattern: 760,820,840,850,900 etcWidth: 760,820,840,850,900 mm etcLength: As requestZinc coating: 60--275 g/m2Coating thickness ... degree celsius.Two sets of fine coated rollers,converted rapidly and supplying timely.At present,we have six lines of production ...