... profiles, from prepainted galvanized or galvalume steel sheet, which is mainly used as roofing panel of buildings, such as ... daysPaymentT/T,L/CCertificateISO9001:2000 The advantages of the corrugated steel sheet for roofing1) Light weight2) High strength3 ... Long service life7) Free of maintenance8) Beautiful appearance The usage of the corrugated steel sheet for roofing: Steel house, suburban housing, ...