久久免费视频观看,最新国产福利在线,av毛片在线看,久久久精品在观看999,人人爽人人看,国产久热香蕉在线观看,国产精品99精品久久免费

 China Construction Enterprise Management Association twenty-ninth annual meeting and 2014 Chinese Construction Equipment Exhibition Fair was held in Nanjing on April 18, 2014. The 2013 annual national excellent construction enterprises were commended in the meeting. Changda group company won the prize of 2013 National Excellent Construction Enterprise.