Num DTH rauj
NUMA DTH Rauj yog koj qhov kev xaiv zoo tshaj plaws hauv kev tshawb nrhiav geological thiab mining. HFD tau cog lus los muab kev lag luam ua lag luam thev naus laus zis thiab cov kev daws teeb meem tshiab kom tau raws li koj qhov kev xav tau drilling, muab kev ua tau zoo thiab kev ntseeg siab rau koj cov haujlwm drilling. Txawm hais tias nws yog kev tshawb nrhiav geological lossis mining, peb ua haujlwm ze nrog peb cov neeg siv khoom. Ntau pua tus neeg siv khoom twb tau xaiv peb NUMA DTH Rauj thiab ua tiav qhov kev vam meej.
