LEENO Industrial Inc. manufactures and sells critical testing components for IC production, test, and analysis worldwide. It offers logic test, RF, and memory test sockets; WLCSP probe cards/heads; elastomer, camera module, and SLT sockets; spring contact and semiconductor probes; medical equipment, such as lens caps, shield/GRS, and matching layers; and micro parts, including machined metal parts, tubes and springs, and metal cut parts, as well as secondary battery charging discharging probes. The company was founded in 1978 and is headquartered in Busan, South Korea.