Singsun Electronics Tech CO.,LTDSince it founded in 2002, with 20 years integrated circuit IC experience ,Singsun always focus on customer's requirement , Deeply understood customer needs, and strive to provide customers with most suitable and high performance chips, modules and the product solutions as well. Singsun distributed Holtek product since 2002 and get the Agent of authorization of Holtek on 2005,Our full range product line is Power Manager IC, Standard IC , MCU, Modules, MOSFET, Optoelectronic, Sensors, Crystal oscillator, Small signal transistor, Diodes, inductor, Capacitors, Resistors and so on.