Designing and manufacturing Walkman headphones, Neckband headphones, cell phone hands-free headsets, walkie-talkie earphone, microphone, MP3 sling headphones, passive speakers, and other electro-acoustic products of brand Soncm, Xiaotongyin.We have advanced equipments and professional manufacturing equipment, more excellent Research and Development engineers, high-quality management group and experienced manufacturing team.Over the years with high quality and excellent, perfect service, we have won the satisfaction and trust of majority of merchants around the world.