Requirements for welder qualification management
Thread Content
If a welder has been continuously absent from welding qualified projects for more than six months and needs to weld pressure pipelines, they must take the exam again; only upon passing can they proceed with welding work.
I don’t think so. For some projects, it’s necessary to undergo retraining and testing before starting work; last year, for the Chuan Dongqi 1016 model, people had to take another exam in order to get their work permits