Established in 1994, Changzhou Duoxing Electronics Co., Ltd. specializes in manufacturer and exporter of wide range of Speakers, Buzzers, Microphones, Receivers. Our products are widely applied in various electro acoustic products such as computer, multimedia music center, toy, language re-reader, telephone, mobile phone, earphone and alarm, etc. Over 20 years export experience, with excellent products quality, we won a lot of stable worldwide customers. We are proud to be certified with ISO9001:2000 since 2003, with all products passed the "ROHS" standard since 2007. Choose DUOXING, to get a reliable and outstanding supplier!