On July 12, 2018, the general manager of AITTEST company cheng gang came to the China institute of special equipment supervision and inspection. The residual stress testing equipment developed for the special inspection system has been approved by the special inspection institute and relevant industry standards have been formulated. We have conducted a detailed and in-depth exchange of experts and leaders of the special inspection institute in accordance with this industry standard. The expert leaders of the institute have given us many feasible Suggestions and Suggestions. We also detailed our latest progress. The two sides discussed the joint development and research of magnetic testing technology.