Rongda（dongguan） Optoelectronic Technology Industry Co., Ltd the Corporation for the Hong Kong-Industrial Company, is a professional EL electroluminescent film&＃039;s R & D, design, production and marketing of high-tech enterprises. Our products Products: The main products are EL cold light film (EL field luminous film, EL luminous film, EL backlight film, EL backlight) EL applications (EL cold light Xiongpai, EL cold light dashboards, EL cold light ads) and a driving circuit EL, EL driver IC. Benefits: LCD products are widely used in LCD backlight, steam products are widely used in LCD backlight LCD screen, Cars cold light dashboards, LED exciting toys, LED gifts, LED advertising (thin, elegant, ultra-low power Consumption, soft luminous plane, arbitrary shape, high-visibility, bright colors, flashing LED and gradual, not produce heat and ultraviolet light, long life and maintenance-free, etc.) have been more and more manufacturers and used by the field.