FNIRSI specializes in the test and measurement field founded in 2016 and headquartered in Shenzhen. We are dedicated to integrating R&D, manufacturing, and retailing to provide high-performance yet affordable electronic testing devices. Over the years, FNIRSI has expanded product catalog, with electronic testing devices as the core like oscilloscopes, multimeters, and a diverse range of environmental testers as complementary offerings. Our goal is to deliver exceptional and cost-effective test solutions to our global customers.