Investment Rating - The report assigns an "Overweight" rating for the heavy truck industry [4]. Core Insights - In December, domestic heavy truck sales reached 103,000 units, representing a year-on-year increase of 22% but a month-on-month decrease of 9% [2][4]. - The total sales of domestic heavy trucks for the year 2023 amounted to 1.144 million units, showing a year-on-year growth of 27% [4]. - The report anticipates that the domestic heavy truck sales in 2026 will reach 760,000 units, a decrease of 5.3% year-on-year, while wholesale sales are expected to reach 1.16 million units, reflecting a 1.5% increase [4]. Summary by Sections Heavy Truck Sales Performance - December saw domestic natural gas heavy truck sales of 13,000 units, up 19% year-on-year but down 33% month-on-month [2][4]. - Cumulative sales of domestic natural gas heavy trucks for 2023 reached 190,000 units, also a 19% increase year-on-year [4]. - The penetration rate of natural gas in heavy trucks was 12% in December and 17% for the entire year [4]. New Energy Heavy Truck Sales - December recorded domestic new energy heavy truck sales of 27,000 units, a significant year-on-year increase of 139% and a month-on-month increase of 12% [2][4]. - Cumulative sales of domestic new energy heavy trucks for 2023 reached 192,000 units, marking a 175% year-on-year growth [4]. - The penetration rate for new energy heavy trucks was 26% in December and 17% for the year [4]. Company Recommendations - The report recommends several companies for investment, including Weichai Power, China National Heavy Duty Truck Group, Foton Motor, CIMC Vehicles, and FAW Jiefang [4].