... Special formulation for the cutting knife to ensure pleasant sealing line with high firmness Cutting blade is imported from Taiwan, ... easy for adjustment.Ø With different optional device, SHTF can run 2 line different printing, or different length film together, also can run ... KGmore information please check our official websit. Servo Motor Driven 2 Layer (4,6,8-line) Bottom Sealing Bag Making Machine