Shenzhen Xuanda Electronics Co., Ltd(XDEC)was founded in 2009 andis specializing in researching, designing, manufacturing of variousspeaker units and microphone units which are widely used forheadphone, intercom, telephone, cordless phone, tablet-pc,notebook-pc, TV, navigator, headset, recorder, mini speaker, etc.XDEC got the certificate of ISO9001:2008 in 2015 . XDEC is locatedin Shenzhen, which is easy with air/sea transportation. XDEC hasover 200 employees, and has become proven partners of many domesticand oversea customers by its strong researching and developmentcapabilities, high quality and good service. In order to insureexcellent quality and nice sound,XDEC always tales technicalinnovations as the driving force of sustainable development, andprovides customers omnibearing design and engineering service frompart development to final assembly. XDEC has been adhering tobusiness ideas of âIntegrity, Quality, Innovation, Serviceâ,strictly controlling every process of the production, stressing onR