1. A na-eji akwa oyi akwa kpuchie Steel Coil, nke na-enye ihe mgbochi corrosion dị elu na ogologo ndụ karịa nke akwụkwọ nchara galvanized.
2. The isi ọla maka Prepainted Steel Coil mejupụtara oyi akpọrepu, HDG electro-galvanized na ọkụ-mikpu alu-zinc mkpuchi nchara.Enwere ike kewaa uwe imecha nke igwe akwa akwa akwa n'ime otu dị ka ndị a: polyester, silicon modified polyesters, polyvinylidene fluoride, polyester dị elu, wdg.
3. Usoro mmepụta esiwo na otu mkpuchi-na-eme achịcha na-eme ka ọ bụrụ okpukpu abụọ na-eme achịcha, na ọbụna mkpuchi-atọ na atọ.