超捷股份：公司长期致力于高强度精密紧固件、异形连接件等产品的研发

Group 1 - The company, Chaojie Co., Ltd. (301005), focuses on the research, production, and sales of high-strength precision fasteners and special-shaped connectors [1] - The products are primarily used in critical automotive components such as turbocharging systems, shift parking control systems, exhaust systems, and interior/exterior systems like seats, lights, and mirrors [1] - In the context of new energy vehicles, the products are applied in battery trays, chassis and body connections, electronic inverters, and battery swapping systems [1] Group 2 - The company's fastener products also find applications in the electronics, electrical, and communication industries [1]