Chengdu Guosheng Technology Co., Ltd was established in 1998, located in Chengdu that is one of the most beautiful cities of China. We are specialized in trimming potentiometer, wirewound potentiometer, precision potentiometer, carbon film potentiometer, wirewound high power resistor, braking resistor, aluminum housed wirewound high power resistor, rheostat, high voltage resistor and precision resistors,potentiometer Knobs, switches, and other electronic components.