Documents International Institute of Welding Schedule Revision Date 06.03.2025.Rev. 1. MHtE Certificate EWF Joining and cutting International Institute of Welding Certification Scheme Certop certificate Quality and environment policy Welding certificate Welding Certificate Rod and profile min.s Fine plate standard Coarse plate standard Steel pipe min. standard Breaking strength Stainless steel materials Press conference GIN Reliable company 2016