正阳煤矿于1959年投产,年产为七十万吨的中型矿井。推行全面质量管理后,狠抓了基础整顿工作,实现了以经济责任制为手段的矿井原煤工序质量控制,提高了经济效益,扭转了连续二十年亏损的局面,从1979年起连年盈利,利润总额达315.9万元。 Zhengyang coal mine put into operation in 1959, with an annual output of 700,000 tons of medium-sized mines. After the implementation of total quality management, we paid close attention to the work of basic rectification and realized the quality control of coal mine processes with economic responsibility as a measure to improve economic efficiency and reverse the loss for two consecutive years. Since 1979, Total profit of 3.159 million yuan.