欧美性爱一级一级|伊人无码视频四十|91mv无码二区|国产AV香蕉久久久|国产制服另类重口日本欧美|国产精品va在线|在线免费视频无码目本AⅤ性爱视频|波多野结衣无码导航|91久草中文在线|97蜜桃在线视频

&According to the information provided by the group machinery construction company, in recent years, in order to meet the development requirements of prefabricated buildings, the group has invested a lot of latest technology and equipment in the construction of Industrial Park, as well as in the transportation of PC parts, hoisting of PC parts and field assembly. For example, the newly added 35t truck crane and QTZ125 field tower crane, etc. With the expanding application of prefabricated buildings, new equipment technology will be added at any time to meet the increasing market demand.