After 40 Reform and opening up in ， China's precision machining industry has made great progress ， Industrial manufacturing represented by precision machining parts has made remarkable achievements 。 Good investment environment and preferential policies have attracted many foreign precision machinery parts processing plants to enter China ， At the same time, it also brings advanced parts processing technology and management methods ， Promote the rapid development of China's precision machining industry 。 Workers in foreign machinery parts processing enterprises ， After Precision mechanical parts Machining Professional experience ， Quickly become CNC Technical backbone of parts processing industry ， Become a domestic precision machinery plus ...