In Korean market which was depended on the import of power transmission devices area and cutting Tool Gringing Machine area, cutting tools area, INKOK Industrial Co., Ltd has developed and localized the cutting tools, Tool Gringing Machine, couplings, electrical brakes autonomously and successfully against imported goods. And INKOK has developed and manufactured the micro drills in Korea primordially so that INKOK has been contributing to the economic growth and trade balance improvement of Korea. At the same time, INKOK has been founding the base of independence of the technology.