黄色一级视频-国产视频一区二区-99精品视频在线观看-免费国产羞羞网站视频-亚洲激情小说在线,日韩无码国产综合,99热国产这里只有精品9,91免费 无码 国产

&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.