KOMATSU Grader vs SINOMACH-HI Grader which is better

KOMATSU Grader and SINOMACH-HI Grader Which one is better? What is the difference between KOMATSU Grader and SINOMACH-HI Grader which is of good quality, the editor learned through comparative analysis Komatsu GD655-7 MOTOR GRADER,Komatsu GD655-6 MOTOR GRADER,SINOMACH-HI 　PY220C-2 Graders performance characteristics and detailed parameter configuration for the majority of netizens to refer to, understand KOMATSU Grader and SINOMACH-HI Grader Which is better, please pay attention to global-ce.