日丰股份：公司产品尚无涉及航天领域

Group 1 - The company, Dayang Co., Ltd. (002953.SZ), primarily engages in the research, production, and sales of wires and cables [2] - The product range includes special equipment cables, new energy cables, communication equipment components, air conditioning connection components, and small appliance wiring components [2] - The applications of the company's products span various sectors such as wind power generation, new energy, communication equipment, marine engineering, port machinery, construction machinery, shipbuilding, and household appliances [2] Group 2 - Currently, the company's products do not involve the aerospace sector [2]