Colour coated galvalume sheet ichinhu chekuvaka chakagadzirwa ne-tatu-layer composite material, kusanganisira substrate, zinc-aluminium alloy coating uye organic coating.After surface degreasing, phosphating uye yakaoma salt treatment, inoputirwa ne organic coating uye yakabikwa.Izvo zvinhu zvine chimiro chakafuratirwa uye chakanaka, huremu huremu, corrosion resistance, hupenyu hurefu, yakanaka yekupisa kupisa kuita, inoshandiswa zvakanyanya mukuvaka, kutakura, simba remagetsi, midziyo yemumba uye mamwe minda.