... 4*909.Function of load chains, exposure time control ,Start and stop rotating anode, Preheat filament, sub-assembles ... 200mmGrid density N28Convergence distance of 100cmGrid ratio R8Pillar of X ray tube unitMoving in length along radiographic table1800mm ... specialized in developing and manufacturing various medical implements, including X ray Machine, Electric Cautery Machine, Laser Therapy Equipment ...