Characteristics: 
  It is used for producing printed vest bags and flat-opening bags. The main motor adopts variable frequency motor which is 
  
 
  more power-efficient and more freely for speed-regulate. With good performance, the color code tracker can make the sealing 
  
 
  and cutting length more accurately, and the error smaller. It also adopts advanced computer to adjust length, freely and 
  
 
  accurately. 
  http://www.sanbimachine.com/