... Circuits (IC), PCB & PCBA, Filters, Oscillators, Rectifiers, Resonators, Sensors, Thyristors, Transistors, Acoustic Components, Capacitors, Potentiometers, Resistors ann etc.. ).We Wholesale and ... customers' requirements! 1: we are strong at all series ICs & transistors 2: all product have been tested before shipping 3: please ...