Tongfeng quartz crystal resonator has 10,000 purification workshop and complete production equipment as well as precision testing and inspection instruments, with an annual output of nearly 600 million。Product varieties are SMDCrystal series, HC-49UCrystal series, HC-49SMDCrystal series, HC-49SCrystal series and so on。The main supporting areas are traditional TV and AV, PC, network terminals, set-top boxes, electronic meters, electronic water meters and other metering classes, as well as automotive electronics, communication terminals, Bluetooth, MP4, GPS, DVD, cameras, digital cameras, mobile phones and so on。