Timagwiritsa ntchito zotsogola zotsogola zotayirira extrusion ndi kuyeretsa kwakukulu 6063 ndodo za aluminiyamu, kudzera pakupanga makonda amtundu waumboni, kupanga mitundu yosiyanasiyana ya makanda opangira makina, Njira: Alum bar bar machine-Raw material extrusion-Ukalamba-Mwatsatanetsatane kudula-Kuyendera kwathunthu -Kupereka