Utumiki wa 1.OEM ulipo kwa Rotary Drilling Rig yathu.
2.Mapangidwe apadera ndi apadera amapezeka kwa Rotary Drilling Rig yathu.
3.Kuchotsera ndi mtengo wotsatsa ulipo pa Rotary Drilling Rig yathu.
Gawo la 4.Quick-wear likupezeka pa Rotary Drill Rig yathu.
Thandizo la 5.Technology likupezeka pa Rotary Drill Rig yathu.
6.Injini yodziwika kuchokera kunja ndi avalibale ya Rotary Drill Rig yathu.