宇瞳光学：具体的经营和客户情况可查阅公司已披露的公告和定期报告

Group 1 - The company, Yutong Optical, is in the early stages of collaboration with a client related to the影石无人机 (Yingshi drone) and panoramic camera lens supply, indicating uncertainty in the business relationship [2] - The company advises investors to refer to its disclosed announcements and periodic reports for specific operational and client information [2]