1.Button machine with this device is high efficiency, is the artificial machinery of the deduction machine more than 3 times, Automatic delivery system can choose positive and negative (non-standard can be customized), each time to send Deduction time of 0.5 seconds,about 120times per minute to send buck, the button system easy to Jane Single, a key to get. 2.Button applicable range 8mm-25mm. 3.This button can be equipped with 1903 series, 438 series, 373series,4-2series Columns and other models, the application of strong performance.