... :1, using phase-locked PLL frequency automatic tracking technology, without FM.2, using the German piezoelectric ceramic ... of fine domestic and foreign suppliers: Foxconn , Jing Cheng Technology Group (GBM), molex, Vtech , Samsung Electronics, the East together ... the double star celebrity, United Group, Soutec,Mabuchi, Japan Muratec , Foshan, Xiang Wang Optical Group (VANGUARD), etc. Plastic machine ...