免费大片黄在线观看18中文_久久人妻无码AⅤA片麻豆_337P中国人体啪啪_亚洲精品成a人在线观看☆

 

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.