中钢协2009年的数据显示,中国2009年粗钢产量5.678亿吨,占全球总产量的46.1%。而我国粗钢生产企业的平均规模却不足100万吨,排名前五的钢企仅占全国钢产量的不到30%。中国钢铁产业规模很大,但企业集中度不高。集中度低的问题成为中国钢铁业 According to 2009 CISA data, China’s crude steel output in 2009 was 567.8 million tons, accounting for 46.1% of the global total. The average size of China’s crude steel production enterprises is less than 1 million tons, the top five steel companies account for only less than 30% of the national steel production. China’s steel industry is very large, but its concentration is not high. The problem of low concentration has become China’s steel industry