Zinc-Aluminium-Magnesium simbi coil (zn-mg-al plate) rudzi rutsva rwepamusoro-kuora-resistant yakavharwa ndiro yesimbi.Zinc-plated layer yayo inonyanya kuumbwa ne zinc, iyo inoumbwa ne zinc plus 11% aruminiyamu, 3% magnesium uye chidimbu chesilicon.Ukobvu hwemhando yeplate yesimbi iripo inogona kugadzirwa ndeye 0.13mm-6.00mm, uye hupamhi hwekugadzira ndeye: 580mm-1524mm.