1948年12月15日,门头沟地区解放,长期处于社会最底层当牛作马的煤矿工人获得新生。解放的当天,中共北平市委即派出李长顺等一批干部到矿区负责组建工会工作。1949年1月15日门头沟区职工工会临时筹备委员会成立,随即在各煤矿和小煤窑分别建立8个基层工会临时筹备委员会。1949年4月门头沟地区 December 15, 1948, the liberation of Mentougou area, long-term in the community at the bottom of the ranks of cattle miner workers reborn. On the day of liberation, the CPC Peking Municipal Party Committee sent a batch of cadres, including Li Changshun, to the mining area to set up trade unions. January 15, 1949 Mentougou district workers union interim preparatory committee was established, then in the coal mines and small coal mines were established eight grass-roots trade unions temporary preparatory committee. April 1949 Mentougou area