The models of buckle scaffolding are mainly divided into two categories: standard type B and heavy-duty type Z according to the “Safety Technical Standard for Socket type Buckle type Steel Pipe Supports in Construction” JGJ231-2021.
.
Beijing ๐ elevator inspection regulations on construction site will be launched soon. What do you think?
The skills of the construction unit to turn losses into profits by bidding at a low price must be seen by the budget cost person!
Construction occupied road | yingzeqiao west station of Metro Line 1 occupied Jinci road for construction from April 23
