宏德股份：公司目前为储能领域客户提供飞轮壳体、上端盖等相关零部件

Group 1 - The company, Hongde Co., Ltd. (301163), is currently providing components such as flywheel casings, upper covers, lower covers, and bases for customers in the energy storage sector [1] - The sales revenue and profit from these related products constitute a small proportion of the company's overall business income, indicating that they do not significantly impact the company's operational performance [1]