It is used to imprint canning-making industry, stationery and transformer, electrical-industry in shearing tinplate and silicon-armor plate. It shears sheet iron by disk-knife roll-cutting type. The key part disk-knife made of high quality metal toolsteel and advance technics. It has reasonable structure double edge, high precision shearing and using for a long-time characteristic with good rigidity, high speeding in shearing, adjusting in coveniece and record functions. It also can apply to shearing thin copperplate. It's very popular by our widely consumers. It can apply to horniness alloy knife-sheet to meet the consumer's higher requiremnet of using time.