XCMG Rock Drills vs SANDVIK Rock Drills which is better

XCMG Rock Drills and SANDVIK Rock Drills Which one is better? What is the difference between XCMG Rock Drills and SANDVIK Rock Drills which is of good quality, the editor learned through comparative analysis XCMG XDY600P Rock Core Drill,XCMG XDY2000 Rock Core Drill,XCMG XDY1500 Rock Core Drill,XCMG XDY1000 Rock Core Drill,XCMG TZ1 single-boom hydraulic rock drill jumbo Drill Jambo,SANDVIK RD1635CF Rock drill,SANDVIK HL1560ST Rock drill,SANDVIK HL1560T Rock drill,SANDVIK HL1060T Rock drill,SANDVIK RD900 series rock drills performance characteristics and detailed parameter configuration for the majority of netizens to refer to, understand XCMG Rock Drills and SANDVIK Rock Drills Which is better, please pay attention to global-ce.