Kuyambitsa HZ Core Drill Rig - njira yabwino kwambiri yothetsera ntchito zobowola mu Geological Survey Exploration, Geophysical Exploration, Road and Construction Exploration, ndi Blast and Breakhole. Chipangizo chobowola cha HZ chapangidwa kuti chizitha kubowola mwachangu, ndikupangitsa kukhala chisankho chabwino kwambiri kwa akatswiri omwe akufuna kupeputsa ntchito zawo zobowola.