SEM Bulldozer vs Yishan(Tianjin)Heavy Bulldozer

SEM Bulldozer and Yishan(Tianjin)Heavy Bulldozer Which one is better? What is the difference between SEM Bulldozer and Yishan(Tianjin)Heavy Bulldozer which is of good quality, the editor learned through comparative analysis SEM Track Type Tractor SEM816D,SEM822D Track Type Tractor,SEM822LGP Track Type Tractor Bulldozer,SEM822 Track Type Tractor Bulldozer,TSH200C Sanitation crawler bulldozer,TS160G Wetland crawler type bulldozer,TG160A High prototype crawler bulldozer,TY160G Crawler bulldozer,TY320H Crawler bulldozer performance characteristics and detailed parameter configuration for the majority of netizens to refer to, understand SEM Bulldozer and Yishan(Tianjin)Heavy Bulldozer Which is better, please pay attention to global-ce.