Which is the most authoritative model grading certificate?

Ministry of Human Resources and Social Security China Vocational Skills Appraisal Guidance Center. Ministry of Human Resources and Social Security Vocational Skills Appraisal Bureau is a public institution directly under the Ministry, responsible for the technical guidance and organization of national vocational skills appraisal, and the demonstration grade certificate issued by it is also the most authoritative. Models, derived from the transliteration of the English word "Model", mainly refer to professionals engaged in displaying fashion products, assisting media advertisements, serving the aesthetic needs of the public, and expressing the artistic concept of photography.