Blade, Mould manufacturer / supplier in China, offering Precision Stamping Tool for Bag Perforation - Long-Lasting Sharp Punching Die for Easy-Open Packaging, High-Performance Punch & Die Set for Easy-Open Packaging - Ensures Consistent, Clean Cuts on Production Line, Precision Punching Die & Mold Parts for Creating Easy-Tear Opening on Packaging Bags - Durable & Sharp and so on.