Five to six days. According to the query of China Personnel Examination Network, the qualification certificate of explosives is applicable to road transport practitioners of highly toxic chemicals and explosives, including drivers, escorts and loading and unloading management personnel. Those who intend to engage in road transportation of highly toxic chemicals and explosives shall submit valid certificate information. After passing the examination, students need to participate in offline training for 5 to 6 days, and issue certificates about one week after passing the examination.