中文久久久_欧美做受高潮1_免费成人在线观看_精品九九在线_日本女人一区二区三区_干成人网_操女生在线观看_久久综合区_ass成熟老女人pics_色多多污在线观看_樱桃av在线_欧美日韩一区成人_水果视频污_精品少妇久久久久久888优播_国产一区二区三区久久久

 

The qualification of professional contract for groundwork and foundation of Changda Construction Group was promoted to first grade

 

          Recently, through the approval of Shandong Provincial Construction Engineering Administration Bureau, the qualification of professional contract for groundwork and foundation of Group Corporation was promoted to first grade. After the approval of Weifang Construction Engineering Administration Bureau, the group corporation newly increased the third grade of professional contract for building intelligence. (November 20, 2009)