(Ntawm no hu ua SWMC) yog ib lub Hoobkas ntawm HBXG Ameslikas nrog lub lag luam tseem ceeb los muab cov ripper, hniav, undercarriage, fais fab faib vaj tse thiab zaum kawg tsav tsheb sib dhos nruab rau lub tsheb bulldozers, nrog rau cov khoom thiab cov khoom siv mining machinery, xws li lub chassis, taug kev sib dhos, rooler thiab kab teeb rau drilling rigs.Hauv xyoo 2010, tom qab hloov pauv lub Hoobkas, SWMC tau dhau los ua cov chaw tsim khoom tshwj xeeb ntawm kev tsim kho tshuab thiab mining machinery…