Features: High-precised and economic auto drilling machine, could select the drilling mode according to the panel size and hole position. 1.This Unit includes 3 rows of Upper Vertical Drilling and 1 rows of horizontal Drilling head(L+R); 3? Applied to the process of 2 faced drilling at one procedure. Fast speed and high efficiency 2. Equips with LED display, much more precise in location 3. ; 4.Applies with PMI liner guider, more rigidity, improving drilling precision 5.Applies Delta PLC controlling system, improving the working accuracy.