Pay attention to detour. Gaotang Guandao Street section is closed for construction!

What is the technological process of bagged sand well construction?

On the construction site of 22 meter deep foundation pit of super high-rise building by reverse construction method, see how the foundation is constructed upside down

Lightning protection, grounding and equipotential construction 210909

Wo, awesome ~ there is “unmanned construction” operation in Nankang! It is the first time that Jiangxi expressway has realized unmanned

This illegal construction in Dengzhou must be stopped immediately! Official announcement!

Bid winning results of Hohhot new airport construction

Lianshui bridge will be fully closed construction! The specific time is