There are 61 key points for acceptance of concealed works, which must be known by construction, Party A and supervisor!

Jimo has entered the subway construction stage, and the first pile of phase II of Metro Line 7 has been drilled!

The standard three-dimensional diagram for the installation of fastener type steel pipe external scaffolding is understandable to laymen! 44

Safety and quality standardization Atlas of construction site of central enterprises, with complete ppt data to download!

Matters needing attention in construction of epoxy floor paint

Hidden danger identification of construction elevator – structure and connection class 12 (connection bolt of standard section of guide rail

Notice on the temporary adjustment of 5 bus routes including No. 1 and No. 7 during the construction of Renmin Road section

How to divide the construction interface between general contractor and sub contractor?