... machinery , like komatsu,cat hitachi daewoo kobelco sumitomo hyundai and so on.(1)Chinas bulldozer such as SHANTUI, ... RIVER, YISHAN AND QINGGONG;(2)Japan bulldozer (KOMATSU): D50, D60, D80, D85, D155, D355American bulldozer (CATERPILLAR): D58, D60, D7G, ... D8K, D9L, D10H;(3)Germany hydraulic excavator R902-R992American CAT hydraulic excavators ...