http://www.mofcom.gov.cn/aarticle/b/c/200812/20081205947443.html; http://wms.mofcom.gov.cn/aarticle/zcfb/n/200810/20081005829333.html; http://www.mofcom.gov.cn/aarticle/b/e/200811/20081105920146.html; http://www.mofcom.gov.cn/aarticle/b/e/200901/20090105986679.html; http://gss.mof.gov.cn/zhengwuxinxi/zhengcefabu/200906/t20090622_170940.html