Suitable for all kinds of sealing and heat cutting machines, bottom sealing machines, concave-convex button bag making machines, three-side sealing machines, middle sealing machines and the production of plastic film bags. Paper-plastic bag making machine. Punching molds and devices of any shape and specifications can be processed according to user requirements (drawings or samples provided). It is made of imported materials (SKP-11, SKH-9) according to Japanese technology. With high precision, high quality, and wear resistance, it has reached the international level of similar products. It has been exported to foreign countries and has been unanimously recognized by many manufacturers. 1. Butterfly hole (enlarged, ordinary) Butterfly hole type pneumatic punching machine is suitable for punching of PO, PP, PE, OPP, PVC, PPE, PPU, CPE, plastic bags, long ends, ventilation, elevators, etc. The working speed can reach 230 times per minute, and the product can break through a single layer of 0.01MM plastic bag. 2. Airplane holes (lengthened, normal) 3. Triangular holes, corner-cut holes, tearing holes 4. Handle holes (normal, lengthened) 5. Multi-hole punching machine is suitable for photo bags and white strip bags. A4 information bag, business card bag. CD inner bag and punching of various paper products.