国产精品沙发午睡系列_久章草在线无码视频观看_三级国产国语三级在线_亚洲精品国产嫩草在线观看东京热_人成午夜大片免费视频77777_日本大片免费视频在线_综合久久久久久综合久_东京热久久综合伊人av_青草久久久国产线免费_亚洲国产精品成人久久久

Steel security room saving and environmentally friendly

Guangzhou Steel News: Steel affordable housing saving and environmentally friendly

China's largest steel structure in the construction of affordable housing projects - completion of construction of the main structure Qianjiang Century talent special space. It is understood that a 32-story steel construction of 60 days can top knot, the biggest bright spot is energy saving. The project is 80% of construction materials for the steel, 60% reduction in the construction of garbage, prefabricated construction site also cut 80 percent of the noise, dust and water. The world's leading construction system from Hangxiao third generation "steel beam" technology, has applied for a patent in more than 110 countries worldwide. Guangzhou Steel