... in construction machinery and mining machinery , like komatsu,cat hitachi daewoo kobelco sumitomo hyundai and so ... , SHANGHAI, YELLOU RIVER, YISHAN AND QINGGONG;(2)Japan bulldozer (KOMATSU): D50, D60, D80, D85, D155, D355American bulldozer (CATERPILLAR ... )Germany hydraulic excavator R902-R992American CAT hydraulic excavators Japanese Komatsu hydraulic excavators; (4)Various loaders and land levelers ...