National welder certificate online inquiry

1. Search "Safety Supervision Bureau" with Baidu. After searching, find official website of the State Administration of Work Safety, and click Enter.

Two, after entering the State Administration of Work Safety official website, find "service", and then click enter.

3. After entering the service, find "Inquiry System" in the service hall list, and then click Enter. ?

Four, after entering the query system, find the "special operation certificate and safety production management ability assessment qualified information query", and then click enter.

5. After entering the query interface, enter the corresponding information to query the authenticity of the certificate.

Fusion welding and hot cutting operations

Suitable for gas welding, gas cutting, covered electrode arc welding, carbon arc gouging, submerged arc welding, gas shielded welding, plasma arc welding, electroslag welding, electron beam welding, laser welding, oxygen flux cutting, laser cutting, plasma cutting and other operations.

Pressure welding operation

Suitable for resistance welding, gas pressure welding, explosive welding, friction welding, cold pressure welding, ultrasonic welding, forging welding and other operations.

Brazing operation

Suitable for flame brazing, resistance brazing, induction brazing, immersion brazing and furnace brazing, excluding soldering iron brazing.