Core Viewpoint - Tongyu Communication's stock price has experienced a significant surge, attributed to its recent investment activities and the performance of its associated companies in the aerospace sector [2][3]. Group 1: Company Performance and Stock Activity - On December 1, Tongyu Communication's stock opened with a limit increase, continuing a trend from the previous two days [2]. - The company announced that its operational status remains normal, with no significant changes in the internal or external business environment [2]. - The stock price fluctuations may be linked to the investment in Beijing Lingkong Tianxing Technology Co., which is involved in hypersonic technology [3]. Group 2: Investment and Strategic Partnerships - Tongyu Communication has established a fund with professional investment institutions, contributing 100 million yuan to Lingkong Tianxing [2]. - The investments in Lingkong Tianxing and Jingji Communication are expected to create synergies with Tongyu Communication's business [3]. Group 3: Lingkong Tianxing's Business and Achievements - Lingkong Tianxing focuses on hypersonic technology services and has made significant advancements in the aerospace sector [3]. - The company has achieved a compound annual growth rate of over 200% in revenue over the past five years and has completed over 80 projects, primarily serving national defense entities [3]. - Recent developments include successful test flights of hypersonic aircraft and engines, marking progress in the engineering phase of high-speed aircraft [4][5].