POSCO Wikipedia
POSCO currently operates two integrated steel mills in South Korea, in Pohang and Gwangyang. In addition, POSCO operates a joint venture with Steel, USSPOSCO, which is located in Pittsburg, California, United States. History 1968–1971. In the 1960s, South Korean administration concluded that selfsufficiency in steel and the construction of an integrated steelworks were essential to ...