Key features: 1:three-dimensional tube rack, integrated bedpost, can be used in the human body and lateral x-ray photographic film and other diagnostic. 2:computer program control system, shooting conditions can be set kv priority mode, ma priority control mode, mas exposure mode and multi-position preset mode of the human body, operation convenience 3:high intelligence, automatic fault detection and fault error code display 4:high-frequency inverter technology, the regional power grid adaptable, x-ray output stable, short time exposure, low dose irradiation, high volume radiation, image contrast clearly 5:dr interface to facilitate the digital upgrade 6:pwm voltage regulation technology, micro-computer cpu technology closed loop control to ensure the product stable and reliable