Rong Sheng Technology Co. is an enterprise specialized in overseas marketing, project management, as well as product development and product design. Our factory, located in CHINA, has already gained ISO9001 approval.CE, FCC, RoHs Standred. Simultaneously, our members have a long tradition in producing headsets, headphone and earphone for cordless phone, mobile phone, two way radio, computer, MP3/4, PMP and etc....