Product introduction: CNJ-D5-1 punching machine adopts the major driving manner is that the electromotor drives the fly wheel ,through the function of clutch to punch the cards.We use premium materials and highly precise devices to produce this kind of machine. It has the characters of good rigidity,high precision, refined structure,top quality,stable, performance and safe and convenient operation. The speed is fast and the power is strong,the edge of the cards is smoothly cut.