Hongkong Koontech Technology Ltd. focus on researching and developing, manufacturing and sales of visual audio products. Its subsidiary company are Guangzhou Vinci Electronic Ltd, Shenzhen Ruifeng Electronic Technology Ltd, HK Litonghang Trading Ltd and HK Koontech Technology Ltd. Koon has its own developing center and factory in Guangzhou and Shenzhen. The products widelycover unication device, BLUETOOTH brainpower device, home theatre systems, laser inspect tray, subwoofer, power amplifier, MP3 player and so on.