UniTest Incorporation (086390.KQ), founded in 2000 and headquartered in Yongin-si, South Korea, manufactures and sells semiconductor testing equipment primarily in South Korea; its core offerings include wafer testers; memory testers such as burn-in, component, and module testers; storage testers; logic burn-in testers; jigs; socket guides; and photovoltaic products comprising solar modules, solar inverters, product liability lamps, bars, and down lights, operating through memory test equipment and photovoltaic power generation segments with approximately 200 employees. The company, formerly known as ISOA TECH, Inc., changed its name to UniTest Incorporation in September 2002 and listed on KOSDAQ in 2006, achieving sales exceeding 1,983 billion won. Recent developments include a change of CEO on March 28, 2025; a sales or supply contract announced on July 25, 2025; designation as an overheated short-selling issue on October 1, 2025; and an earlier sales or supply contract voluntarily disclosed on May 16, 2024.