2006年底,投资800万元的南丹大厂100号矿体新州地表塌陷坑治理工程启动,4次大塌陷形成的从新州地表延伸到350米水平的深30多米、陷落体积50多万立方米的塌陷坑将被填平,工程2007年下半年完工后,加上之前完成的投资1.23亿元、5年不间断的100号矿体事故隐患区综合治理工程,100号矿体重大安全事故隐患将全部彻底消除。 By the end of 2006, Nantan Dachang 100 Mine, an underground orebody with an investment of 800 million yuan, started the project of treating surface subsidence pits in Xinzhou. The collapse of 4 large collapses extended from the surface of the state of NSW to a depth of 350 meters and depths of more than 30 meters with a sink volume of more than 500,000 cubic meters M of the collapse of the pit will be filled, the project completed in the second half of 2007, coupled with the previously completed investment of 123 million yuan, 5 consecutive years of No. 100 ore body hidden danger comprehensive management project, No. 100 major mine safety accidents Hidden problems will be completely eliminated.