Japan NIKKEN Nikken is the work of Japanese professional production of CNC machining center knife handle, integrated manufacturers CNC turret and accessories, there are self-locking strong handle, thin TiN coated titanium rod shank, shank fine boring, rough boring tools and a variety of both sides of the positioning of the tool, all kinds of reamers and ultra worm series of CNC turret. For the world automotive industry and processing provides a very good tool.