Established in 1978, our company has been designing, developing, manufacturing and marketing industrial DC power supply units applying a switching regulator at high frequency wave, high accuracy and high‐voltage DC power supply units , DC‐DC converters, analog/digital hybrid ICs, and micro computer application products. Further, we will, in order to accommodate the needs for electronic devices which have been downsized and diversified in recent years, propose a new solution with the keywords of wireless charging system, high efficient LLC circuit, DC power supply system, remote supervision as well as semi-custom and full-digital power supply.