YIC founded in 1994,  is a professional manufacturer of Frequency Control & GPS / RF Products, is a supervisor member of QIAT(Quartz Industries Association of Taiwan), investor PANRAM is Listed on Taiwan Stock Exchange, stock#8088, We devoted to the research, design, manufacture and marketing of Frequency Control Products, as well as GPS/GNSS Receiver Modules,GPS/GNSS Receivers (G-Mouse) & GPS / RF Antennas.