Dongguang Qingtong Photoelectric Technology Co., Ltd (refer as QT) was established in 2007 as a professional remote control manufacturer integrating product design, and manufacturing.

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 ...