宇瞳光学(300790.SZ)：未涉及核武器、军工领域

Group 1 - The company, Yutong Optical (300790.SZ), primarily produces optical lenses and optical glass, which are applied in various fields such as security, automotive, smart home, consumer electronics, and new consumption markets [1] - The company has explicitly stated that it does not engage in the nuclear weapons or military sectors [1]