Zoomlion Bulldozer vs CASE Bulldozer which is better

Zoomlion Bulldozer and CASE Bulldozer Which one is better? What is the difference between Zoomlion Bulldozer and CASE 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,CASE 2050M DOZER MODELS,CASE 1650M DOZER MODELS,CASE 1150M DOZER MODELS,CASE 850M DOZER MODELS,CASE 750M DOZER MODELS performance characteristics and detailed parameter configuration for the majority of netizens to refer to, understand Zoomlion Bulldozer and CASE Bulldozer Which is better, please pay attention to global-ce.