LEENO Industrial Inc. manufactures and sells critical testing components for IC production, test, and analysis worldwide. It offers system level, RF device, and large device test sockets; high power cooling lid, memory device test socket, elastomer socket, and kelvin socket; fine pitch RF, large pin count, and kelvin probe head; spring contact, coaxial, non-magnetic, and ICT probe; and PCB for catheter application and other medical components, as well as module connector test socket and probe, and battery charging discharging probes. The company was founded in 1978 and is headquartered in Busan, South Korea.