Discover the CK-620 Semi-automatic Heavy Duty Wire O Comb Coil Binding Hole Punching Machine, designed for efficient and precise hole punching in binding applications. With a max punching width of 610mm and a working speed of 2400-3500 times/hour, this machine is perfect for high-volume production. Learn about its simple operation, smart outward design, and quality material of mould in this video.