Qingdao civilized construction Atlas of housing construction project source: Qingdao housing and Urban Rural Development Bureau, if there is infringement, contact to delete…

[Standard] (Reply to Fans) JGJT231-2021 Safety Technical Standard for Construction Socket type Disc Buckle Steel Pipe Scaffolding | Shared

Construction basket falling! Five people died! Serious overcrowding, limit failure, no safety rope! Almost “streaking”!
