(2021-2-22) construction version

Highlights | Beijing plans to establish an underground pipeline construction notification system

Closed construction! Traffic flow here!

2022 Word 60 page+CAD detailed drawing of the construction plan for the hanging external scaffolding with a buckle type. Sample diagram

Tragic! A subway under construction in the capital collapsed unexpectedly, and the death toll from explosion could not be blocked like a

Supreme Court: the construction contract is invalid if it is not qualified to undertake the construction of houses with more than two floors

Mandatory provisions on temporary power supply at construction site

Tianxin Avenue in Yuexi is closed for construction, please pay attention to the detour