... as polyethylene, polypropylene plastic bag, glass paper and roll paper, etc. GY-TY Four-to-Eight Colour Flexible Letter Press Use:This ... packing materials as polyethylene, polypropylene plastic bag, glass paper and roll paper, etc. And it is a kind of ideal ... rang of printed productmm191-914191-914191-914Max. Diameter of roll materialmmΦ450Φ450Φ450Printing speedm/min5-505-505-50Thickness of ...