东北妇女精品BBwBBW_亚洲一区二区三区国产精华液_最近2019中文字幕第一页视频_性一交一乱一乱一视一频_狠狠色综合激起情丁香色五月_无码一区二区波多野结衣播放搜索_一级a爱做片免费观看国产_乱子伦xxxxvideos_亚洲精品乱码久久久久久金桔影视

The prefabricated and assembled construction of the exterior wall of the office building structure is realized by using the assembled steel structure and the assembled integrated module floor system, which saves more than 50% of the construction time. To achieve green construction site construction, and the application of serialized external walls and internal products, to achieve the stereotyped demand for office products, to provide customers with high-end office building products.

Scope of application: Kechuang Park Office Building, Pioneer Park Office Building, Commercial Office Building, Industrial Park Office Building