1988年以来.非金属矿行业的经济效益呈现逐年下降的趋势。以建材归口管理的中型以上非金属矿企业为例,工业资金利税由1988年的10.45%,逐年下降到1991年的5.06%;主要经济指标与“七五”期间全国标准值相比,有很大差距,如工业资金利税率1991年非金属矿行业为5.06%,全国标准值为13.55%,比差为8. Since 1988, the economic benefits of the non-metallic mining industry have been declining year by year. For example, the profits and taxes on industrial funds dropped from 10.45% in 1988 to 5.06% in 1991 and the major economic indicators are comparable with the national standards during the “Seventh Five-Year Plan” period The big gap, such as the industrial capital tax rate of 5.06% in non-metallic mineral industry in 1991, the national standard value of 13.55%, the ratio of 8.