国产福利一,中国精品久久久,麻豆一区二区在线,久久se精品一区二区影院免费,特黄特色三级在线观看,国产真实农村乱对白精彩,巨乳女教师佐山爱 夫前在线

 

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.