Timagwiritsa ntchito zotsogola zotsogola zotayidwa kwambiri komanso zowoneka bwino za 6063 ndodo za aluminiyamu, kudzera pakupanga makonda azithunzi, kupanga mitundu ingapo yamagetsi akunja a ndudu, Njira: Alum bar bar machine-Raw material extrusion-Aging-Precision kudula-Kuyendera kwathunthu -Phukusi-Kutumiza