Qhov chaw ntawm Keeb Kwm: Suav tebHom Lub Npe: JCDRILLModel Number: QW TW TWUHom: Drilling cuab yeejKhoom siv: HlauSiv: Mining, Kev Tsim Kho, Geotechnical, Kev Tshawb FawbLub npe: Rod Wrench