Lee Ku Industrial Co., Ltd. operates in the non-ferrous material industry in South Korea. It offers oxygen-free, tough pitch, and phosphorus deoxidized copper; red brass; brass; phosphor bronze; and other alloys, including detonator brass, naval brass, tin brass, tin copper, LEEKU ferrous copper, and CuFe2P. The company was founded in 1968 and is headquartered in Pyeongtaek-Si, South Korea.