... in construction machinery and mining machinery , like komatsu,cat hitachi daewoo kobelco sumitomo hyundai and so on.( ... D8K, D9L, D10H;(3)Germany hydraulic excavator R902-R992American CAT hydraulic excavators Japanese Komatsu hydraulic excavators; (4)Various ... County, Baoding City, Hebei Province, China.Established :the year of 1986Customers:(1)china:SHANTUI;SHANTUI OUYATUO ;ZOOMLION; HUANG GONG ...