金雷股份：公司产品广泛应用于风电、船舶、矿山机械以及能源电力等行业

Group 1 - The company, Jinlei Co., Ltd. (300443.SZ), primarily engages in the research, development, production, and sales of wind power main shafts and other large castings and forgings [2] - The products of the company are widely applied in various industries, including wind power, shipping, mining machinery, and energy power [2]