CNC Machine Tool Expert Zheng Jingguo Road To Success

1980, Zheng Jingguo from technical school graduated came to a electrical hydraulic pump factory work, at he just one General of milling machine operation workers, although professional not counterpart, but he also put work as is learning technology of good opportunities, on workshop in of each a a jobs he are is interested in, try using work zhiyu of time to to master are ask, with he hard learn of spirit, he soon on learned has car, and planing, and mill, and milling, metal cutting processing of function