1.taiwan cylinder 2.high quality and long life 3.high precise Butterfly hole punch1.it is popular in bag making machine ,three side bag making machine,bottom sealing machine,etc.2.it is suitable for HDPE, LDPE,PP, BOPP, PA, CPP,PVC, PPE, CPE,PVA and other materials, 3.material thickness 0.02mm -0.3mm ,plastic film ,paper ,non-woven farbic .4.speed can be up to 300 times / min. butterfly punch