振华风光(688439.SH)：已有多款产品，满足总剂量抗辐照要求，通过抗辐照和宇航级相关实验验证

Core Viewpoint - Zhuhai Fengguang (688439.SH) is positioned as a key supplier of high-reliability analog integrated circuit products in China, focusing on signal chain and power management products [1] Group 1: Company Overview - The company has developed multiple products that meet total ionizing dose radiation resistance requirements [1] - Products have undergone radiation resistance and aerospace-related experimental validation [1] - The company’s products are included in customer selection catalogs, indicating their applicability in the deep space economy sector [1]