According to the relevant information, the inquiry shows: local national vocational skill appraisal institute. The welder's certificate belongs to the special industry operation certificate, which needs to be handled by the local national vocational skill appraisal institute in yugan county, Jiangxi Province. Process: Sign up (training center or appraisal institute of Labor and Employment Security Bureau)-fill in the form (bring a copy of my ID card+4 photos of my 65438+0 copies of my diploma), notify me to attend the training-wait for the notice to take the exam (appraisal institute)-and finally get the certificate.