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extrusion profile siv thawj qib aluminium billet
Aluminium pas nrig yog ib yam khoom ntawm txhuas. Lub melting thiab casting ntawm txhuas pas nrig muaj xws li melting, purification, impurity tshem tawm, gas tshem tawm, slag tshem tawm thiab casting txheej txheem. Raws li cov hlau sib txawv muaj nyob rau hauv aluminium rods.
