Zibo welder certificate review, our center agent safety supervision bureau operation certificate annual review. In addition to the certificates issued by Shanghai and Beijing safety supervision bureaus, the certificates issued by safety supervision bureaus in other parts of the country (electrician, welder, refrigeration, climbing ...) can be reviewed for annual inspection! The operation certificate beyond the audit date can also be inspected here. Audit materials of Hebei Provincial Safety Supervision Bureau: copy of ID card, copy of diploma with junior high school education or above, physical examination form, and two photos with one inch white background. Address: Room 1204, Comprehensive Building, School of Economics, Huai 'an Road, Jianhua Street, Yuhua District, Shijiazhuang.