Guangzhou R.jian Electro-acoustic International Equipment Co., LTD Guangzhou R.jian Electro-acoustic International Equipment Co., LTD is located in the professional audio base - Panyu, Guangdong province, China. Its products mainly include TIMOO brand professional stage loudspeaker, KTV speakers, amplifiers, microphone, peripheral equipment, etc. Under the management idea guidance of "quality plus service plus innovation", Guangzhou R.jian Electro-acoustic International Equipment Co., LTD ...