晋城局创全国大矿安全生产最长周期晋城矿务局是全国著名的安全生产先进企业，１９９３年８月２０日，实现了连续安全生产５００天，累计产煤１３２４万吨无煤炭死亡事故。创造了全国千万吨安全生产最长周期。晋城局安全生产的根本好转始于１９８６年。此后，全局安全生产... Jincheng Bureau create the longest cycle of national large-scale mine safety Jincheng Mining Bureau is well-known advanced production safety enterprises, August 20, 1993, to achieve a continuous safe production of 500 days, a total of 13.24 million tons of coal-free coal fatalities. Created the longest production cycle of tens of millions of tons of safe production. Jincheng Bureau of the fundamental improvement in production safety began in 1986. Since then, global safety production ...