Cov ntaub ntawv ntawm lub twj paj nruag thiab cov twj ntawm lub hoobkas raug hais txog cov ntaub npog lossis cov thawv ntim txheej uas siv los ntawm ntau yam twj thiab seev.
Raws li cov khoom, nws yuav muab faib ua yas rooj plaub, yas rooj, aluminium alloy rooj, aluminium alloy lub thawv, ntaub ntawv sib txuam khoom siv, vaj tse khoom vaj khoom tsev, thiab lwm yam.
Nws muaj cov yam ntxwv ntawm tsim nyog tsim, muaj zog qauv, zoo nkauj zoo nkauj thiab zoo li ntawd.
