重大资产重组，688051，明起停牌

Group 1 - The core point of the news is that Jiahua Technology (688051) announced a suspension of trading due to planning a major asset restructuring involving the acquisition of a controlling stake in Shudun Technology through a combination of share issuance and cash payment [1] - The trading suspension will start on November 24, 2025, and is expected to last no more than five trading days [1] - Shudun Technology, established in 2002, specializes in domestic cryptography technology research and information security solutions, and is recognized by the National Cryptography Administration for its commercial cryptography qualifications [2] Group 2 - Jiahua Technology focuses on the research and application of IoT big data technology, having developed competitive core technologies and rich implementation experience across various layers of IoT [2] - The company reported a revenue of 166 million yuan for the first three quarters of the year, a decrease of 30.72% year-on-year, and a net profit attributable to shareholders of -67.24 million yuan [2][4] - The financial report indicates a significant decline in operating income and net profit compared to the previous year, with a basic earnings per share of -0.34 yuan [4]