Wenzhou CASSIA Intelligent Technology Co., LTD is a registered and established by the state department of industry related equipment production enterprise. Our Main production are nondestructive testing equipments, x-ray film viewers, LED lights. Company's production of industrial radiographic film viewer can clearly observed in 5.0 D black degrees of film, Using structural module design and special airduct design technology, the stable brightness can be adjusted arbitrarily, and with 24 hours continuously working, the surface temperature is less than 18 degrees Celsius. So it is the ideal X-ray photographic films observation with the traditional film viewer incomparable advantages which use Ordinary lamps. The product conforms to the international standards.