BS - M series yog engineered rau hnyav - Cov ntaub ntawv ua haujlwm xav tau ntau cov roj ntau dua. Cov twj no yog tsim los daws cov chaw ib puag ncig uas nyuaj tshaj plaws, suav nrog kev siv mining, kev tsim kho, thiab - nplai kev ua haujlwm. Lawv lub siab - Peev Tsim tau txo cov nqi hluav taws xob tsawg dua, txhim kho kev ua haujlwm thiab cov khoom lag luam.

