On July 16th, 2020, initiated by Chinese Standards for Testing and Materials(CSTM) Nondestructive Testing Technology and Equipment Field Committee and undertaken by Nanjing Develop Advanced Manufacturing Co.,Ltd., the association standard writing group for《Non-destructive testing–Steel products–Ultrasonic testing method for steel ingot》was established and the first working meeting was successfully held in Nanjing Develop.

The principles of《Non-destructive testing–Steel products–Ultrasonic testing method for steel ingot》association standard, division of work and schedule was determined by the meeting. The association standard is internationally advanced in terms of technical indicators and very innovative in filling the gap of domestic industry standards, and of great significance in guiding the development of the industry. It is a milestone to improve the basic ability of the industry and the industrial chain through standardization.