Cat Tractor vs ZHENGZHOU YUTONG Tractor

Cat Tractor and ZHENGZHOU YUTONG Tractor Which one is better? What is the difference between Cat Tractor and ZHENGZHOU YUTONG Tractor which is of good quality, the editor learned through comparative analysis Cat Wheel Tractor-Scrapers 631K (Tier 4 Final/Stage IV),Cat Wheel Tractor-Scrapers 621K,Cat Wheel Tractor-Scrapers 637K (TIER 4 FINAL/STAGE IV),Cat Wheel Tractor-Scrapers 657G,Cat Wheel Tractor-Scrapers 637G,ZHENGZHOU YUTONG GQ360 Tractor Impact Compactor Roller performance characteristics and detailed parameter configuration for the majority of netizens to refer to, understand Cat Tractor and ZHENGZHOU YUTONG Tractor Which is better, please pay attention to global-ce.