For the domestic IGBT leader, in the vehicle gauge IGBT has a first-mover advantage, the seventh generation of vehicle gauge IGBT chip has been successfully developed, is expected to start mass supply. Other IGBT chip concept stocks are: Yangjie Technology: in the past 7 trading days, Yangjie Technology rose 4.49%, the highest price was 66.72 yuan, the total market value rose by 1.619 billion yuan, up 5.64% in 2022.