鼎信通讯：公司在国家电网的熔断期为2024年2月23日至2026年2月22日

Group 1 - The core viewpoint of the article is that Dingxin Communication (603421) is currently undergoing a process to restore its business operations after being suspended by the State Grid during a blackout period from February 23, 2024, to February 22, 2026 [1] Group 2 - The company has indicated that there is no clear conclusion regarding the restoration of its business at this time [1] - The application process for resuming operations is ongoing [1]