On November 29, 2019, the national standard examination of non-destructive testing was held in our company. The meeting was hosted by Shanghai Institute of Materials and co-organized by Shandong Ruixiang Mould Co., LTD. This meeting mainly reviewed the draft of 7 national standards for non-destructive testing. The standards mainly cover cloud testing, electromagnetic acoustic transducers, NDT terminology, penetration and magnetic particle observation conditions, etc.