Hlau txhab 500 kbm

Cov txhab txhab steel haum rau pellets, cement, grain thiab ntau dua.

Ua tiav nrog lub tshuab hluav taws xob thiab tsav tsheb. Kev ruaj khov tsim kho nrog dawb thauj khoom qhov siab.

Xws li lub kaw lus lim.

Yuav nce rau 1000 kbm.