It is a high-tech enterprise which integrates research, development, production and sale into one complete whole to provide buyer with various electronics products. QT is focus in IR and RF remote controls. IR remote controls for: DVD, DVR, TV, LCD, audio, USB Android box, DVD, MP3 player, HIFI, Amplifier, Set-top-box, Satellite receivers, TV, LCD, projectors, etc as learning or universal version, RF is mainly as 2.4GHz Air Mouse remote control, vacuum cleaner remote control, Car remote control, Car audio, Car DVD, fans, vacuum cleaners, etc.