国产乱子伦无码_国产 亚洲 丝袜 制服_成年男女免费视频网站a站_日本中文字幕久久网站

Company News
The qualification of professional contract for groundwork and foundation of Chan

 

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)