Hello, the certificate of national training is inquired on China National Training Network, and the process is: 1, and log on to China National Training Network; 2. Click on the training query in the service area; 3. Just enter the query information. The national training certificate is a national vocational training certificate, which is issued by Ministry of Human Resources and Social Security China Employment Training Technical Guidance Center. The application conditions for the relevant extended national training certificate are: 1, technical secondary school or above; 2. Have at least 1 year relevant working experience; 3. At least 18 years old; 4, after the relevant formal training to reach the required number of hours, and obtain a certificate of completion; 5. Obey the law.