Magnetic materials, namely, laminated cores, powder cores, amorphous cores, ferrite cores, permalloy dust choke coils, common-mode choke coils, amorphous choke coils for active filters, DC line common-mode coils, inductors and shield units; electro components and power supplies, namely, transformers for ISDN and modems, transformers for ADSL, transformers for audio equipment, current sensors, power transformers for industrial equipment, large transformers (reactors), isolation transformers, EMI filters, rationalization transformers (pin type), AC reactors for harmonic current, barrier mold transformers, switching transformers, reactors for large current inverters, reactors, power transformers for consumer electronic equipment, high power transformers for SW power supplies, transformers manufactured under MIL-Spec, transformers for artificial satellites and space rockets, thin film thermal print heads, AC adaptors, switching AC adaptors, battery chargers, switching power supplies, switching power supplies for harmonic current emission control, switching power supply for broadcasting equipment, switching power supply for medical electronic equipment, linear-power supply for medical electronic equipment, DC-DC converters, high reliability DC-DC converters, high reliability current sensors, high reliability hybrid IC's, inverters using piezoelectric transformer, piezoelectric ceramics transformer, transducers - ultrasonic element; broadcast equipment, namely, digital audio mixing console, digital audio mixer, system controller, audio fader, digital dynamics, digital audio interface, digital audio processor, VTR editing digital mixer, portable mixing console, digital control/analog console; wireless / information equipment, namely, wireless remote controller, A/B wireless microphones, digital wireless intercom, analog/digital multiplexer, relay, desk top modem, ADSL modem, modem board, message communication module, automatic alarm dialing equipment; electro chemical products, namely, roll coater, curtain coater, liquid resist, resist and flux for PCB, soldering irons; soldering systems, namely, reflow soldering systems, flat linear induction pumps; rotary converters; phase modifiers; batteries; electric wires and cables; ozonizers and ozonators; electrolysers; [ sports training simulators; vehicle driving training simulators; ] magnetic cores; resistance wires; electrodes; automatic distribution machines, namely, vending machines [ ; cash registers; coin counting and sorting machines; operation recording machines; interactive video games of virtual reality comprised of computer hardware and software; electric automatic door openers ]

[ Architectural services; surveying services; geological survey, geological research and prospecting services; ] design and testing for new product development; computer programming for others; maintenance of computer software; [ testing and research for others for prevention of pollution; ] electrical testing and research for others, machine and instruments operational and reliability testing and research services for others [ ; designing and maintaining web sites for others ]