SANY Rotary Drilling Rig vs Cat Rotary Drilling Rig which is better

SANY Rotary Drilling Rig and Cat Rotary Drilling Rig Which one is better? What is the difference between SANY Rotary Drilling Rig and Cat Rotary Drilling Rig which is of good quality, the editor learned through comparative analysis SANY SR235-S Rotary drilling rig,SANY SR205-S Rotary drilling rig,SANY SR235-M Rotary drilling rig,SANY SR285R-M Rotary drilling rig,SANY SR235-C10 Rotary drilling rig,Cat Rotary Drills MD6200,Cat Rotary Drills MD6640,Cat Rotary Drills MD6540C,Cat Rotary Drills MD6310,Cat Rotary Drills MD6250 performance characteristics and detailed parameter configuration for the majority of netizens to refer to, understand SANY Rotary Drilling Rig and Cat Rotary Drilling Rig Which is better, please pay attention to global-ce.