1 . Excellent performance : It can save the time for changing less than 3 cutters . Also , Horizontally-180-rotating drilling can be easily done by the middle spindle , thus much trouble of cutter-exchanging be saved and efficiency greatly increased . 2 . Applicable industries : solid wood doors , doors , kitchen cabinets , panel furniture . 3 . Stable structure : The body of the machine is welded with steel which makes it stronger 4 . Excellent parts : Imported Taiwan control system , High precision bearing which has low noise and long life , Imported German ball screw 5 . Blocking structure design : You can add any other spindles as you like to carving , boring , milling . 6 . Strong vacuum holding device that up to 230 cubic meter per hour .