... high efficiency Leather hole making machine, leather hole punching machine , leather hole perforating machine, leather hole drilling machineFeatures: 1. This machine with automatic ... ( polythene), sponge, paper, and so on.3. This machine worked with die (mold), each machine can change different dies ... machine with punching 1-4 layers leather material at the same time , for punching sponge can punch 1- ...