China's leading listed steel companies and the world's largest silicon steel supplier Baosteel (600019) released three types of steel for driving motors for new energy vehicles, which are respectively B25AHVR1150, B27AHV1300M and B30AHV1400M independently developed by Baosteel. According to reports, these three products are the best comprehensive properties of non-oriented silicon steel materials corresponding to the thickness of 0.25mm, 0.27mm and 0.30mm, respectively. Among them, B25AHVR1150 has both high yield strength and very low iron loss, so it is the best core material solution for high speed motor at present.