Where is the re-examination of Zaozhuang Instrument Worker's Special Operation Certificate?

Work Safety Bureau's special operation certificate is reviewed every 3 years 1 time. Zaozhuang instrument special operation certificate needs to be reviewed every three years 1 time, and the applicant or the unit where the applicant belongs shall apply to the original examination and certification authority or the examination and certification authority where the employer is located within 60 days before the expiration of the validity period. Then go to the safety supervision bureau for review. The State Administration of Work Safety's Management Regulations on Safety Technology Training and Assessment of Special Operators (Order No.30 of the State Administration of Work Safety) stipulates that special operations refer to operations that are prone to accidents and may cause great harm to the safety and health of operators and others, and the safety of equipment and facilities.