... . Color corrugate roof platecommodityColor corrugate sheetmaterialscorrugate steel, sheet galvanized steel sheet,pre-pained steel sheet,color pre-pained coilscertificateISO9001-2000model NO.YX25-205 ... installdirect overlapped model, hidden screw modelself-locking model, steel tile sheet.advantages1, waterproof, fireproof, sound insulation2, easy to install, demolish and ...