The supervision training certificate issued by the supervision association is a kind of training certificate, not a post certificate, and can only be inquired in the training unit.

The training certificate is given by the institution or issued by the training institution and can only be valid in the training institution or locally. The invigilation certificate is the certificate of the national examination, which is completely different. Supervisors are required to have college degree or above and post certificate (supervisor certificate). Professional requirements are civil engineering, municipal administration, installation, safety and other majors.