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