A 38 year old female passenger died in a bus crash in Shanghai. The surveillance video captured a horrible scene: originally alive, the cruelest thing is these two words

Matters needing attention in the construction of extruded panel exterior wall

Beijing proposed underground pipeline construction notification system construction information “pipeline protection system” release

The most complete “construction node practice” in history, come and collect it!

The most comprehensive technical disclosure of mechanical backfill construction

Standard for construction workers among the eight members of Beiping Youjiao Business School

Reinforced concrete precast pile (hammer) construction animation demonstration!

PPT | [Courseware] Safety Example Diagram for Scaffolding Construction Site (Page 59) can be downloaded directly!