Core Viewpoint - The natural gas heavy truck market in China has experienced a continuous decline since March 2025, with significant year-on-year sales drops and a cumulative decrease of 16% by June 2025 [2][33]. Sales Performance - In June 2025, the sales of natural gas heavy trucks reached 13,500 units, marking a 17% year-on-year decline and the fourth consecutive month of decrease [5][10][26]. - The overall heavy truck market saw a significant increase, with total sales of 69,200 units in June, a 47% year-on-year growth, indicating that natural gas heavy trucks are lagging behind the overall market performance [10][12]. - Cumulatively, from January to June 2025, natural gas heavy truck sales totaled 91,500 units, down 16% compared to the same period in 2024 [26][30]. Market Share and Competition - In June 2025, natural gas heavy trucks accounted for 19.45% of the total heavy truck market, a decrease from 22.10% in May [10][24]. - The top three companies in the natural gas heavy truck market by sales volume in June were FAW Jiefang (3,347 units), China National Heavy Duty Truck Group (2,849 units), and Dongfeng Motor Corporation (2,789 units) [20][22]. - The market share of the leading companies showed mixed results, with some companies like Dongfeng and Foton experiencing growth, while others like FAW Jiefang and China National Heavy Duty Truck Group faced declines [20][24]. Regional Sales Trends - The sales distribution of natural gas heavy trucks across China remains uneven, with Hebei, Shanxi, Henan, and Shandong being the top provinces for sales in the first half of 2025 [14][16]. - Some regions, such as Xinjiang and Sichuan, reported growth in sales, while major provinces like Hebei and Shanxi saw significant declines [16][30]. Pricing Factors - Natural gas prices have remained relatively stable in 2025, with fluctuations observed in the first half of the year. However, the price of diesel has decreased more significantly, reducing the competitive advantage of natural gas trucks [12][33]. Future Outlook - The natural gas heavy truck market faces challenges in reversing the downward trend, with questions about when growth can be expected again in the latter half of 2025 [33].