Zoomlion Bulldozer vs SEM Bulldozer

Zoomlion Bulldozer and SEM Bulldozer Which one is better? What is the difference between Zoomlion Bulldozer and SEM Bulldozer which is of good quality, the editor learned through comparative analysis Zoomlion ZD220S-6 Track-type tractor,Zoomlion ZD320-6 Crawler dozer,Zoomlion ZD160S-6 Track-type tractor,Zoomlion ZD220-6 Crawler dozer,Zoomlion ZD160-6 Crawler dozer,SEM Track Type Tractor SEM816D,SEM822D Track Type Tractor,SEM822LGP Track Type Tractor Bulldozer,SEM822 Track Type Tractor Bulldozer performance characteristics and detailed parameter configuration for the majority of netizens to refer to, understand Zoomlion Bulldozer and SEM Bulldozer Which is better, please pay attention to global-ce.