近日,国家统计局发布的数据显示,2012年前5个月国内采矿业投资3493亿元,同比增长23%,增速较前4个月回落1个百分点。其中,有色金属矿采选业增长最快,1—5月增长52%。数据显示,在采矿业中,投资额最大的是煤炭开采和洗选业,1—5月完成1405亿元,同比增长25.2%;黑色金属矿采选业完成投资431亿元,同比增 Recently, the data released by the National Bureau of Statistics showed that the domestic mining industry invested 349.3 billion yuan in the first five months of 2012, up 23% over the same period of last year, a deceleration of 1 percentage point from the previous 4 months. Among them, the non-ferrous metal mining and dressing industry grew the fastest growth in January-May 52%. Data show that in the mining industry, the largest amount of investment is the coal mining and washing industry, from January to May to complete 140.5 billion yuan, an increase of 25.2%; ferrous metal mining and dressing industry to complete the investment of 43.1 billion yuan, up by