Core Viewpoint - Weichai Power (000338) shares rose over 5%, currently at 28.18 HKD, with a trading volume of 151 million HKD, following a positive report from Citigroup regarding stable growth in China's heavy-duty truck (HDT) demand through 2026 [1] Group 1: Company Performance - Citigroup's research indicates strong demand for solid oxide fuel cells (SOFC) and active/passive energy supply from artificial intelligence data centers, suggesting Weichai Power may strategically shift resources from mechanical sectors to energy supply businesses to support long-term growth [1] - The company’s large engine, data center, and energy supply businesses are identified as core growth drivers [1] Group 2: Sales and Profitability Forecast - Citigroup raised its sales forecast for large engines for 2025-2027 to 13,500 units, 16,875 units, and 20,250 units respectively, with data center engine sales projected at 1,350 units, 2,835 units, and 5,103 units [1] - The gross margin forecast for data center engines has been increased to an average of 36.5%, while the gross margin for non-data center large engines has been adjusted to 32% [1]