Test Research, Inc., together with its subsidiaries, designs, assembles, manufactures, sells, repairs, and maintains automated inspection and testing equipment in Asia, America, Europe, and internationally. The company offers optical inspection solutions, including 3D solder paste inspection; pre-reflow and post-reflow automated optical inspection; conformal coating inspection; and automated x-ray inspection. It also provides electrical test, such as manufacturing defects analyzer and in-circuit tester; optical and x-ray inspection products; and smart factory solutions, AI-powered inspection, and yield management systems. In addition, the company offers test and inspection solutions for automotive, semiconductor, and telecommunication industries. Further, it provides after-sales services, including troubleshooting, failure analysis, periodic calibration, system maintenance, and parts and accessories warranty. Test Research, Inc. was founded in 1978 and is headquartered in Taipei City, Taiwan.