Guangzhou BonaSound Audio Technology Co.,LTD was established in 1996. We had been dedicating in developing, producing and distributing our professional microphones. ��� As per practicality ;innovation insistently with the full automatic dustless assembly line, top inspection facilities, high-class technicians and the Audio-frequency-measuring Instrument B&k of Germany were adopted to guarantee the top-grade quality of ��BOCK ��nd ��etou��Trademark ."BOCK/Retou" product series include wireless /wired/musical instrument /meeting series each series has its own special style and high-class technology. it can meet the special demand weather in the place of meeting, teaching side-address or KTV room . Our sales network covers Europe , America , Middle East , South East Asia , Hongkong .Taiwan .With our great efforts and the cooperation, we have passed ISO-9002 竊�CC竊�E borne the palm many times in domestic and oversea exhibitions.