Advanced Acoustic Technology Corp. is a leading manufacturer of high quality acoustic components in Taiwan. Our management and finished products meet the QS9000 & ISO9001 standard and RoHS compliance, assuring you of the best quality. Furthermore, we have outstanding experience of technical support and mechanical/ circuits design. If you are looking for acoustic components such as piezo transducer, magnetic buzzer, condenser microphone, micro speaker or receiver, very welcome to visit our website: http://www.aatc.tw , or mail us your inquiry. We have thousands of specifications for you to choose.