Welding certificates are divided into three categories: IC card welding certificate of Safety Supervision Bureau, professional qualification welding certificate of Labor Bureau and welding certificate of special equipment operators of Quality Supervision Bureau.

The first category is IC card welding certificate: welding certificate must be issued by provincial safety production supervision bureaus (referred to as provincial safety production supervision bureaus, such as Henan Safety Production Supervision Bureau and Hubei Safety Production Supervision Bureau). ). Anyone who works as a welder must hold this IC card welder certificate, otherwise it will be dealt with according to law. (This welder certificate is not graded. Metal welding and cutting operations (electric welding, gas welding, arc welding, electric welding and gas cutting, etc. ) Also called work certificate. The issuing agency-Safety Production Supervision and Administration Bureau, has a work permit, and does not work without a license. The certificate has a magnetic card, which is common throughout the country. )

The second is the welder's certificate, which is a professional qualification certificate. The examination is organized by the human resources and social security bureaus (departments) of all provinces and cities. The certificate is stamped with the official seal of the Municipal Vocational Qualification Appraisal Institute. The certificate samples are unified throughout the country, but not in all provinces and cities. (The welder certificate is graded)

The third category is pressure vessel welder's certificate: it is a type of work with People's Republic of China (PRC) special equipment operator's certificate. Under the supervision of AQSIQ, the provincial quality and technical supervision department decides the specific certification grading scope, and is responsible for the daily supervision and management of the certification work.

The welder certificates issued by the above three competent units are different in the aspects of welder certificate inquiry, welder certificate handling, sample and registration examination. Everyone who is engaged in welder operation or will be engaged in welder operation must first understand these situations and apply for welder certificate according to their own needs.