As one of the earliest professional manufacturers of headphone in China, it is also one of the headphone manufacturers which have achieved great success in developing the international market. Staffed with more than 3000 employees, the group currently has two production bases (SOMIC and Yulian), which are located in Shantou and Dongguan of Guangdong. The production bases are equipped with modern production equipment and complete auxiliary facilities; meanwhile, full streamline closed production and automatic testing and analysis system are adopted. The group has passed ISO9001 (2008) certification, CE certification (European Certification System), GS certification (Germany Certification system) and FCC's international security certification etc.