This depends on the policy of the safety supervision bureau in your area, because there is no general safety supervision qualification certificate in the whole country, except for safety supervisors and safety assessors, all localities do it themselves. Now it seems that the professional training of hazardous chemicals must be tested in provincial units.

Only after passing the special safety technical training and examination and obtaining the People's Republic of China (PRC) Special Operation Certificate can they work at their posts. Relevant departments shall formulate unified examination sites, sign up for the examination, and issue qualification certificates after passing the examination.

Three kinds of personnel to apply for safety evaluation, shall submit the following materials:

(a) the three types of personnel safety assessment application form;

(2) Copy of ID card, three recent one-inch color bareheaded photos, and a copy of academic certificate if necessary;

(three) the person in charge of the enterprise must have a copy of the official document stamped with the official seal of the unit;

(four) the person in charge of the project shall have a copy of the qualification certificate of the builder, and the person in charge of the small-scale project construction shall submit the documents that meet the qualification;

(five) three types of personnel safety knowledge examination results qualified certificate.

Refer to the above? Baidu Encyclopedia-Safety Officer Qualification Certificate