An innovative twin tool post structure using high speed and high accuracy performance of the gang tool post. Through Citizen original NC system completed in the Cincom B series, it achieves high-speed calculation equivale......An innovative twin tool post structure using high speed and high accuracy performance of the gang tool post. Through Citizen original NC system completed in the Cincom B series, it achieves high-speed calculation equivalent to those of cam type. Pursuing ultimate user-friendliness by a compact bed structure with condensed functions and free arm operation panel.