Initially established as a repair facility for rolling stock during the Japanese occupation of Korea, it was expanded in the late 1950s to manufacture electric locomotives as well, and in 1960, the facility repaired 210 steam locomotives, 1,800 freight cars and 120 passenger cars.
Initially established as a repair facility for rolling stock during the Japanese occupation of Korea, becoming the state-owned West P'yŏngyang Railway Factory on 10 November 1945. In 1960, the facility repaired 210 steam locomotives, 1,800 freight cars and 120 passenger cars.