兖矿集团有限公司在深化改革中紧紧抓住构建多元投资主体、技术与管理创新、优化产业结构等关键 ,推动了企业的持续快速健康发展。销售收入、利税总额、利润、综采单产连续４年名列全行业第一 ,煤炭生产放顶煤核心技术、上市公司获利能力达到世界先进水平。１９９９年与改制前 In the deepening reform, Yanzhou Mining Group Co., Ltd. firmly grasped the key to building a diversified investment body, technology and management innovation, and optimizing the industrial structure, thus promoting the sustained, rapid and healthy development of the enterprise. Sales revenue, total profits and taxes, profits, fully mechanized mining output ranked the industry for the fourth consecutive year, coal production top coal capping core technology, listed companies profitability reached the world advanced level. 1999 and before the reform