辽宁省抚顺老虎台矿是具有５０年开采历史的大型国有企业 ,近年来 ,年开采量约５００万吨。由于煤出口的计量设备陈旧 ,人员素质差 ,管理不严 ,每年的产出煤量与销售煤量之差达１０ %以上 ,经济损失严重 ,而且用户因煤差量提出的异议、投诉每年都有上百起之多 ,严重影响企业的 Fushun Laotai Coal Mine in Liaoning Province is a large-scale state-owned enterprise with a 50-year history of mining. In recent years, the annual mining volume is about 5 million tons. Due to obsolete metering equipment for coal exports, poor quality and poor management, the annual difference between the amount of coal output and the amount of coal sold is more than 10%, and the economic losses are serious. Moreover, the users’ dissent and complaints due to coal misallocation are counted annually. There are more than 100, seriously affecting the business