2005年以来,国家发改委集中力量对部分行业的生产能力过剩进行了全面、细致的调查。调查发现,钢铁、电解铝、铁合金、焦炭、电石、汽车、铜冶炼等行业产能过剩的问题比较突出,水泥、电力、煤炭、纺织等行业也有潜在产能过剩的问题。如钢铁的生产能力到2005年底达4.7亿吨,在建能 Since 2005, the National Development and Reform Commission has focused its efforts on a comprehensive and detailed investigation of the excess production capacity in some industries. The survey found that the problems of overcapacity in industries such as steel, electrolytic aluminum, ferroalloy, coke, calcium carbide, automobile and copper smelting are prominent. Potential overcapacity also exists in cement, electricity, coal and textile industries. Such as steel production capacity of 470 million tons by the end of 2005, under construction