The D-/I-/W-/U-Cut Punching Machine is a specialized unit designed to punch precise handle shapes into finished biodegradable or plastic carry bags. It is widely used in combination with cutting and sealing machines to produce D-cut, W-cut, I-cut, and U-cut bags commonly seen in the retail, packaging, and shopping industries. Built with robust punching dies, the machine delivers accurate cuts, smooth edges, and uniform handle shapes across high production volumes. Easy to operate and maintain, it ensures consistency, reduces manual labor, and supports eco-friendly bag manufacturing by being fully compatible with biodegradable and compostable films. Its compact design, durability, and reliable performance make it an essential accessory for any bag-making line.