Lub log qhia no yog tsim los siv nrog cov caterpillar excavators thiab cov tshuab tshwj xeeb uas muaj qhov hnyav ntawm 3 txog 50 tons. Qhov kev pab cuam no suav nrog ntau yam kev tshwj xeeb, suav nrog kev casting, kev vuam thiab kev tsim khoom. Cov thev naus laus zis kho cua sov siab heev ua rau muaj kev ruaj khov, nrog rau lub peev xwm los tiv taus cov khoom hnyav thaum txo qis kev pheej hmoo ntawm kev tawg.
