汇成真空：精密光学镀膜设备目前正常生产交付

Group 1 - The core viewpoint of the article is that Huicheng Vacuum (301392) is currently maintaining normal production and delivery of its precision optical coating equipment, which is primarily customized based on actual customer orders [1] Group 2 - The company encourages investors to pay attention to its regular reports for more detailed information regarding its operations and product offerings [1]