Suzhou Quality Supervision Bureau supervises special equipment and takes the B-level civil servant exam. What does this department do, how is it paid, and is it stressful?

Class B is not a civil servant, but a safety supervisor's certificate (and class A). Mainly engaged in the safety supervision and management of special equipment, the salary is not high or low (civil servants). Work intensity and pressure come from your proficiency and professional awareness, which is generally good.