Blasting certificate training of provincial blasting association. After the blasting certificate is recommended by the blasting enterprise, you can go to the provincial blasting association to register, and the blasting association will organize training for blasting technicians once or twice a year. Training notice can be found in China Blasting Network. After one month of general training, the blasting safety operation certificate will be issued by the provincial public security department or the public security department of China after passing the examination.