Unit 1008, 10/F, 3rd Building, Yanhuayuan area Beijing,

Keysida Technologies,Inc is the leading manufacturer and supplier of acoustic component products such as thin micro speakers and dynamic receivers units for telecommunication devices, such as corded &...

Hygiene, quality concerns and nutritional value are most important factors that the consumer base relies on. We as a reputable Manufacturer and Exporter of Collar Mic and wireless microphone,dynamic m...