电光科技(002730.SZ)：公司永磁电机产品用于煤矿、非煤矿山、水泥等行业

Group 1 - The company specializes in explosion-proof electrical products primarily used in coal mines, petrochemical industries, non-coal mines, and tunnel engineering [1] - The company's permanent magnet motor products are utilized in coal mines, non-coal mines, and the cement industry [1]