Good Will Instrument Co., Ltd. manufactures and markets electrical test and measurement instruments for educational and industrial manufacturing markets. It offers handheld oscilloscopes, digital storage oscilloscopes, and oscilloscope training kits; spectrum analyzers, RF training systems, and EMI solution packages; and signal generators comprising arbitrary function, RF signal, DDS function, and analog function generators, as well as other signal sources. The company provides DC and AC power supplies, and DC and AC/DC electronic loads; bench-top and hand-held digital multi-meters, and digital clamp meters; LCR meters; safety, leakage current, and AC ground bond testers, as well as multiplex scanner boxes; data acquisition systems; and other meters comprising DC milli-Ohm meters, AC power meters, digital IC testers, precision current shunt and automatic distortion meter, AC millvolt meters, frequency counters, battery meters, and logic probe and pulsers. In addition, it offers accessories, such as oscilloscope, function generator, spectrum analyzer, power and load, and T & M accessories and racks; and power electronic modules and training systems. It sells its products in approximately 80 countries worldwide. The company was founded in 1975 and is headquartered in New Taipei City, Taiwan.