The welder certificate of Jianyou Education Office is illegal. The welder's certificate belongs to the special operation certificate, that is, the employment certificate, which needs to be handled in your local safety production supervision and administration bureau. Fusion welding and hot cutting operations (electric welding, gas welding, arc welding, electric welding and gas cutting, etc. ) also called work permit. The issuing agency-Work Safety Supervision Administration has the necessary employment certificate. You don't work without a certificate. It is divided into fusion welding and hot cutting operations, pressure welding operations and brazing operations. The certificate is a magnetic card, which is common throughout the country. Shandong jianyou education technology co., ltd was established on may 5, 20 17. The legal representative is Fan Qinghe, and the company's business scope includes: teaching software development. Educational consultation. Engineering cost consultation. Enterprise management consulting. Economic and trade consultation. Organize cultural and artistic exchange activities. Domestic advertising business. Enterprise marketing planning. Conference and exhibition services. Market research. Corporate image design. Translation service. Computer graphic design. Photography service. Computer software development. Wholesale and retail: computers, computer software and auxiliary equipment, furniture, household appliances, office supplies, daily necessities, etc.