Where can I get the welder's operation certificate in Liaoyang? Explain it in detail.

Welder's certificate: welding and hot cutting operations (electric welding, gas welding, arc welding, electric welding, gas cutting, etc.). ) Also called work certificate. Issuing agency-Safety Production Supervision and Administration Bureau, with the necessary certificates. Certificates are divided into fusion welding and hot cutting operations, pressure welding operations and brazing operations. Certificates have magnetic cards, which are used all over the country. Welder qualification certificate is also called grade certificate. The issuing authority-Labor Bureau is the necessary certificate for promotion and salary increase. It is divided into five levels: mechanic and technician, and the certificate is universal throughout the country. Just a copy of your ID card and a two-inch photo on a blue background.