SEM Road Roller vs SDLG Road Roller which is better

SEM Road Roller and SDLG Road Roller Which one is better? What is the difference between SEM Road Roller and SDLG Road Roller which is of good quality, the editor learned through comparative analysis SEM512 Soil Compactor Roller,SEM510 Soil Compactor Roller,SEM522 Soil Compactor Roller,SEM520 Soil Compactor Roller,SEM518 Soil Compactor Roller,SDLG Road Roller RS8220,SDLG Road Roller RS8200,SDLG Road Roller RS8180,SDLG Road Roller RS8160,SDLG Road Roller RS8140 performance characteristics and detailed parameter configuration for the majority of netizens to refer to, understand SEM Road Roller and SDLG Road Roller Which is better, please pay attention to global-ce.