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在全局广大职工的共同努力下,兖州局的原煤产量近几年以百万吨速度递增(详见下表)。1985年产原煤576万t,1989年原煤产量突破1000万t。商品煤质量逐年提高,灰分由1985年的16.42％下降到1989年的15.36％;含矸率由同期的0.95％下降为0.11％。精煤产量大大增加,质量也很稳定。
With the joint efforts of the general staff, Yanzhou Bureau of raw coal production in millions of tons in recent years the rate of increase (see table below). In 1985, the output of raw coal was 5.76 million tons, and the output of raw coal in 1989 exceeded 10 million tons. The quality of commercial coal increased year by year, with the ash content dropping from 16.42% in 1985 to 15.36% in 1989; the refuse rejection rate decreased from 0.95% in the same period to 0.11%. Coal yield increased significantly, the quality is also very stable.