The fitter's certificate is the professional qualification certificate of fitter's work. It is divided into five grades, namely, fitter's primary certificate, fitter's intermediate certificate, fitter's senior certificate, fitter's technician certificate and fitter's senior technician certificate.
Conditions:
The application conditions of fitter's certificate are different in different regions and grades. Please consult relevant training institutions or appraisal centers for details.
Baidu encyclopedia-fitter certificate