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Group 1 - The stock of Lianmei Holdings surged to the daily limit due to the news of Moer Thread's IPO application on the Sci-Tech Innovation Board, leading to a collective rise in related concept stocks [1] - Lianmei Holdings is a leading enterprise in the clean heating sector, focusing on clean heating and high-speed rail digital media, with significant operations in key regions such as Shenyang, Taizhou, and Heze [2] - The company has developed a low-carbon and efficient comprehensive energy service system using national-level demonstration technologies, achieving an 80% reduction in manpower requirements for its smart heating platform [2] Group 2 - Lianmei Holdings' high-speed rail media business, operated by its subsidiary Zhaoxun Media, covers 509 railway stations across 31 provincial-level administrative regions, with a network of 5,310 high-definition digital media [4] - The company is also strategically entering the hydrogen energy sector, planning to establish an independent hydrogen energy division focused on green hydrogen production and hydrogen station operations [4]