亚洲制服丝袜第一页,色婷婷综合久久久久中文,欧美在线91,精品欧美成人高清视频在线观看,91这里只有精品,九九久久免费视频,99视频精品全部免费观看

 

The qualification of building curtain wall engineering design of Group Corporation was promoted to be second grade

 

Through the approval of Shandong Provincial Housing, Urban and Rural Construction Department, the qualification of building curtain wall engineering design of Group Corporation was promoted to be second grade. This promotion broke the bottleneck of curtain wall engineering construction qualification in the field of decoration services, and increase the momentum for “secondary undertaking” of the group corporation.