This series machines are special for  printing junmbo bags. The color register  can be adjusting positive rotation and clockwise 360°, Without turn off the power. the speed is quick, the color printing is precise; Simultaneously the big printing roller may carry on the crosswise adjustment, the adjustment quantity is 20mm. The entire is controlled by PLC instead of original circuit board control.It is steady in operation and speed changing,and can be easily operated. The character is evenly and clear,with few vulnerable part.