A fitter's license requires 80 days of training. The tuition fee is 4500 yuan, and you can get a certificate by passing the exam. 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. Among them, the content of fitter's certificate is divided into fitter, die fitter, assembly fitter and machine fitter. When making specific textual research, we should choose clearly. The application conditions of fitter's certificate are different in different regions and grades. Please consult relevant training institutions or appraisal centers for details.