人人做人人爽国产视_综合精品乱伦国产_青青草原国产一区二区_欧洲精品成人免费视频在线观看-免费国产黄网在线观看_高雅人妻被迫沦为玩物_强姧伦久久久久久久久_少妇无码一区二区二三区

 

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)