Equipped with senior administrators, professional designers, 450 skillful workers, advanced ultrasonic production lines, running strictly under the standards of ISO9001-2000, our products have extended to Earplug headphone,Back-wearing headphone,MP3 headphone,Microphone,Ear-hanging headphone,Wirelss headphone,Tele-headphone and so on. Enjoying high reputation in both domestic and international markets.