75 years ago today, February 28, 1950 (Lunar calendar January 12, 1950), on the establishment of the factory management committee on the establishment of the factory management committee on the establishment of the factory management committee on the establishment of the factory management committee on the establishment of the factory management committee on the establishment of the factory management committee on the establishment of the factory management committee on the establishment of the factory management committee on the establishment of the factory management committee on the establishment of the factory management committee on the establishment of the factory management committee on the establishment of the factory management committee on the establishment of the factory management committee on the establishment of the factory management committee on the establishment of the factory management committee on