Origin Electric Co., Ltd.. The Group's principal activity is the manufacturer of power sources. The Group operates in three business segments: Electronic business, Mechatronics business and Chemitronics business. Electronic business deals with power sources and semiconductor devices. Mechatronics deals with electric arc welding equipment and bearings. Chemitronics business deals with synthetic paints. Electronics business accounted for 53% of fiscal 2002 revenues; mechatronics business, 27% and chemitronics business, 20%.