Can turn a hard alloy blades (ICI) tools in gear manufacturing process of playing the key role. Hard alloy blade cutting knife has a quick cutting speed, processing cycle is short, enhanced coating, the custom configuration, specifications and processing capacity of the characteristics of diversification, is widely used in finishing and the grinding applications. They continue to expand its unique performance, and widely used for cutting tool market. All of these technologies will be in September 10 ~ 15, Chicago 29 th IMTS fairs, the audience will see exhibition machining center tools of the progress of the system, and by using double hob and all kinds of lower manufacturing cost of new coating and materials to improve production efficiency.