KOMATSU Grader vs SEM Grader

KOMATSU Grader and SEM Grader Which one is better? What is the difference between KOMATSU Grader and SEM Grader which is of good quality, the editor learned through comparative analysis Komatsu GD655-7 MOTOR GRADER,Komatsu GD655-6 MOTOR GRADER,SEM919 for Brazil Motor Grader,SEM922AWD Motor Grader,SEM921 Motor Grader,SEM919 Motor Grader,SEM919 for India Motor Grader performance characteristics and detailed parameter configuration for the majority of netizens to refer to, understand KOMATSU Grader and SEM Grader Which is better, please pay attention to global-ce.