1,To use independent three worktable, it can run separately and respectively in different mode at same time. 2, Pneumatic observation cover, safer and more convenient. 3, 10 pcs of too magazine for each z axis(only for auto tool change machine) 4, It detect tool length automatically(only for auto tool change machine) 5, Cooling function the automatic water circulation, temperature supervise, to ensure safe environment for spindle running. 6, Dot-matrix style auto unload system, more convenient and efficient. 7, Remember the original point of program file automatically. 8, Multiple protection function for over-heating, overcurrent, overload.