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Founded in 1975, Good Will Instrument Co., Ltd was the first professional manufacturer in Taiwan specializing in electrical test & measurement instruments. GW Instek began as a manufacturer of power supplies and quickly expanded into the development of high precision electronic test and measurement instruments.

With decades of experience in the test and measurement industry, GW Instek has grown to become the largest manufacturer and developer of test and measurement instruments in Taiwan. Today GW Instek has more than 300 product items, ranging from oscilloscopes, spectrum analyzers, signal sources as well as traditional test & measurement instruments.