特级片在线_97精品久久久大香线焦_草草草av_亚洲av成人噜噜无码网站_日本中文字幕不卡_在线?看免费91

&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.