国内精品久久久久影院男同志,久久综合亚洲,一二三区毛片,三级欧美在线观看,久热中文字幕,天堂精品,天天干天天插

 

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.