김책
Kim Chaek Iron &amp; Steel Works is one of North Korea's largest steel mills. It is located in Songpyong-guyok, Chongjin, North Hamgyŏng Province. Kim Chaek was the name of a North Korean politician and Kim Il Sung's friend. It was established by Nippon Steel during the Japanese occupation of Korea, and was subsequently nationalised after the establishment of the DPRK. In North Korea, this factory is called "The Big Metallurgic Base of the North (북방의 대야금기지)". It has fifty thousand employees.