Domestic CNC turntable and other functional parts of the transformation and upgrading of the domestic machine tool industry must bring great impetus to the development of history as a mirror, domestic CNC turntable, CNC tool holders and other functional components of the promotion of CNC machine tools to promote the role of Very significant. So the domestic CNC turntable and other functional components in the face of competition and suppression of foreign counterparts, through the transformation and upgrading, to promote the host upgrade is very important, but also very necessary