五隆兴科技发展有限公司
Figure I hoisting of prefabricated components
Figure II pre assembly of prefabricated components
Fig. 3 connection of prefabricated components
Fig. 4 connection and assembly of prefabricated components
Figure VI assembly of prefabricated components on the second floor
![[stiff column] the performance of double screw sleeve instead of welding is incredible!](https://www.bjwlx.com/en/wp-content/uploads/2021/08/1-150x150.png "[stiff column] the performance of double screw sleeve instead of welding is incredible!")
