Foreign have the industry's famous GPS company: GE, Philips, Siemens, and Japan's Shimadzu, Fuji, Hitachi, Toshiba, South Korea, Samsung, etc.
x-ray machine is good, if Kendon is good foreign ah, the domestic are saving machine, flat panel detector, high-voltage generator, bulb tube are all equipped with the back, mastering the core technology, but also depends on the price. not the core technology, of course, also depends on the price, recommended Japanese