TES Manufacturer of test and measurement equipment and hygienic equipment. TES Country's Taiwan. TES is a professional test instrument manufacturer dedicated to all kinds of hand held equipment. Our goal is to provide top quality products to fit in each customer's needs. TES Electrical Electronic Corp is a Exporter from Taiwan, with products such as Multimeter, Anemometer, Battery Tester, Calibrator, CO / CO2 Analyzer, etc.