http://www.mofcom.gov.cn/article/difang/hebei/201002/20100206775946.shtml;  http://www.mofcom.gov.cn/article/b/g/201002/20100206792299.shtml;  http://www.mofcom.gov.cn/aarticle/b/g/201004/20100406892711.html;  http://www.mofcom.gov.cn/article/b/g/201008/20100807072913.shtml