After the professional technical training of the blasting qualification unit, the municipal public security organs with districts shall organize the examination and pass the examination, and issue the permit for blasting operators (blasting work permit).

At the beginning, it can be divided into four members: blaster, safety officer, keeper and escort. The manager of the explosive magazine should need a storekeeper, preferably a blaster or a security officer. The applicant may apply to the public security department of the local county-level public security organ. The application form shall specify the reasons for participating in the training, affix the seal of the unit, fill in the Qualification Examination Form for Registered Training of Blasters, and participate in the training course only after being audited by the police station and public security department of the county-level public security organ and reported to the public security department of the municipal public security organ with districts for approval.