Yingkou Vocational Skills Appraisal Institute and Yingkou Vocational Education Center of Liaoning Province shall handle the welding certificate. According to relevant public information, Yingkou Vocational Skills Appraisal Bureau, located at No.535, Changjiang Road, Zhanqian District, Yingkou City, is one of the local professional vocational skills appraisal services, with perfect examination facilities and professional appraisal teams, providing vocational skills appraisal services in welding technology, electromechanical maintenance, electrical engineering and other fields. Yingkou Vocational Education Center, Liaoning Province: Located at No.47 Chengjian Street, gaizhou city, Yingkou City, it is one of the local key vocational education institutions and provides vocational skill appraisal services. The center has high-quality teachers and advanced teaching facilities to provide students with high-quality training and examination services.