鞍山是我国重工业原料基地之一,共有矿山企业508个,分布在鞍山、营口、辽阳、朝阳等6个市地、10个县区,年产铁矿石、菱镁石、滑石、石灰石20余种矿产品3800万吨。其中菱镁石、滑石产量居世界第一位,铁矿石产量居全国首位。但由于老企业多,设备陈旧,工艺落后,战线长,开采规模大, Anshan is one of the heavy industry raw material bases in China. There are 508 mining enterprises in total, covering 6 cities and counties including Anshan, Yingkou, Liaoyang and Chaoyang, and 10 counties with annual output of more than 20 iron ore, magnesite, talc and limestone. 38 million tons of mineral products. Among them, magnesite, talc output ranks first in the world, iron ore output ranks first in the country. However, due to the old enterprises, outdated equipment, backward technology, long front, large scale of mining,