色涩网站在线观看,手机在线毛片,青青草视频免费在线观看,美女免费视频视频久久久久,在线观看网站色,一级大片免费,狠狠干狠狠干

Company News
The engineering method that declared by our group wins the national first-grade

 Recently, three of four state-level engineering methods that declared by our group have been approved, which contain the national first-grade engineering method “the construction method of cambered ceramic plate curtain wall with adjustable cantilever, without beam” (co-edit with Shandong NingJian), the national second-grade engineering method “the construction method of hyperboloid Aluminum single board curtain wall with squama style installation” (co-edit with Shandong NingJian) and “the construction method of UF cast-in-place and thermal insulation” (co-edit with Shandong Wanxin).