Beijing Ribri Technology Co., LTD
1802, 18th Floor, Building 3, No. 8 Chama Street, Xicheng District, Beijing, China
Main products: Omnidirectional Acoustic Array, Opto-Acoustic Shield, Opto-Acoustic Hailing Devices, Fixed Directional Acoustic Device, Portable Directional Acoustic Device, Handheld Acoustic Hailing Device