Controlled by servo system matching with industry control grade computer, this machine can reach the orientation of high precision and high speed. When the temperature is stated, it has the advantage of " speed up, not heat up" and can make all kinds of laminated film bags more even and more beautiful. All the parameters are displayed by the CRT at real time and it is also able to preset the bag-making speed, bag-makin length, color currsor tracking, numbers of each batch and the transmitting time of finished product etc. Besides, it has the functions of tension coil-delivering, the color cursor losing and the automatic alarming when the temperatureexceeds the limit. LPC automatic edge correction, double photoelectric tracking etc.