... than ten years skill work to manufacture the highest quality unit. Specification:φ16*11hole*2.8h*φ15Manufacturer introduce:Dongguan Kam Yun ... cooperate with foxconn,KME ETC,Fujikon,G-start Etc famous speaker driver manufacturer brand. Import the most advance equipment open the hardware ... mp3, mp4, moble, home appliance,portable media player, DVD,TV speaker driver. Precise electronics hardware Metal ...