JT Corporation engages in the research, development, and sale of semiconductor process and automation equipment in South Korea and internationally. It offers test handlers, including burn-in sorters, system LSIs, dumpling systems, automated lot merge systems, SSD modules, and LED probes and sorters; auto vision inspection products, and pick and place handlers; gantries, and multi tapes and reels; laser app systems; and wafer chip handlers. The company was founded in 1990 and is headquartered in Cheonan-si, South Korea.