Core Viewpoint - Yihuatong (688339.SH) is focusing on the application of hydrogen fuel cell systems primarily in the commercial vehicle sector, including buses, logistics vehicles, and heavy trucks [1] Group 1: Applications - The company is actively expanding its applications into distributed power generation and combined heat and power (CHP) systems [1] - Yihuatong is promoting the use of hydrogen fuel cells in various scenarios, including backup power and industrial power generation [1]