Volvo Crawler Excavators vs Kobelco Crawler Excavators which is better

Volvo Crawler Excavators and Kobelco Crawler Excavators Which one is better? What is the difference between Volvo Crawler Excavators and Kobelco Crawler Excavators which is of good quality, the editor learned through comparative analysis Volvo MEDIUM CRAWLER EXCAVATOR EC220EL,Volvo Crawler Excavator EC120D,Volvo Crawler Excavator EC140DL,Volvo Crawler Excavator EC170D,Volvo Crawler Excavator ec210d t3,Kobelco SK550DLC-10 Building Demo SPECIALTY EXCAVATORS,Kobelco SK400DLC-10 Building Demo SPECIALTY EXCAVATORS,Kobelco SK350DLC-10 Building Demo SPECIALTY EXCAVATORS,Kobelco SK210D-10 Car Demo SPECIALTY EXCAVATORS,Kobelco SK140SRD-5 Car Demo SPECIALTY EXCAVATORS performance characteristics and detailed parameter configuration for the majority of netizens to refer to, understand Volvo Crawler Excavators and Kobelco Crawler Excavators Which is better, please pay attention to global-ce.