Core Viewpoint - The 2025 International Internal Combustion Engine and Power Equipment Expo showcased innovations in the internal combustion engine and power systems, focusing on low-carbon, electrification, and intelligent directions, highlighting the diverse and integrated innovation landscape of the power industry [1]. Group 1: Weichai Power - Weichai exhibited 9 engine models, including the WP16NG-4.0 gas engine, which boasts a displacement of 15.7 liters, rated power of 750 horsepower, and peak torque of 3400 Nm [3][5]. - The WP16NG-4.0 gas engine features a 6% reduction in fuel consumption compared to diesel vehicles, potentially saving customers 150,000 yuan annually [5]. - The WP2H lightweight diesel engine, designed for light commercial vehicles, has a displacement of 1.994 liters, maximum power of 190 horsepower, and maximum torque of 420 Nm, offering excellent fuel efficiency [7]. Group 2: Jiefang Power - Jiefang Power showcased 7 products, including the CA4DT2-E68 series diesel engine and CA6SM6-E6N series natural gas engine, emphasizing a strong lineup in both diesel and natural gas categories [9][11]. - The CA6SM6 natural gas engine delivers a maximum power of 506 horsepower and a maximum torque of 2400 Nm, featuring a B10 lifespan of 1.5 million kilometers [11]. - The CA4DT2 diesel engine, with a displacement of 2.44 liters, offers high power and reliability, meeting blue card light truck specifications with a maximum power of 180 horsepower and torque of 500 Nm [13]. Group 3: Yuchai Machinery - Yuchai presented 8 key products, including the YCK05H hydrogen fuel engine and YCK16 diesel engine, showcasing a diverse technological approach [14][15]. - The YCK05H hydrogen fuel engine addresses industry challenges such as backfire and knocking, achieving zero carbon emissions while reducing manufacturing costs by 70% and operating costs by 50% [17]. - The YCK16 diesel engine, designed for mining applications, outputs a maximum of 775 horsepower and 3200 Nm of torque, suitable for heavy-duty machinery [19]. Group 4: QuanChai Power - QuanChai Power exhibited the most products at the expo, showcasing 11 complete machines and several components, including the Q25A engine with a power range of 110-116 kW and a maximum torque of 450 Nm [21][23]. - The F28T gas engine, primarily used in 4.5-ton light trucks, features a torque range of 230-450 Nm, highlighting its versatility in the market [25]. Group 5: Yunnei Power - Yunnei Power displayed 5 products, including the D25-180 diesel engine, which has a rated power of 132 kW and a maximum torque of 500 Nm, outperforming competitors in fuel efficiency [27][29]. - The G20TNFR gas range extender offers a maximum output of 140 horsepower and a torque of 350 Nm, integrating innovative technologies to enhance performance [31]. Group 6: Other Companies - Other participating internal combustion engine manufacturers showcased their recent developments in engines and components, indicating a comprehensive enhancement in product offerings for the commercial vehicle market [40].

Core Viewpoint - The article emphasizes the importance of selecting a high-quality engine, specifically the QuanChai Q25 engine, for enhancing operational efficiency and profitability in the logistics and express delivery industry [2][5][16]. Group 1: Engine Performance and Benefits - The QuanChai Q25 engine is highlighted as a star product with a maximum power of 152 horsepower and a maximum torque of 440 Nm, featuring a unique single-cylinder two-valve design [6][14]. - The engine utilizes the Ricardo dual swirl combustion system for efficient fuel-air mixing, resulting in better combustion and enhanced power delivery, particularly in urban traffic conditions [6][14]. - The average fuel consumption of vehicles equipped with the Q25 engine is maintained at around 11 liters per 100 kilometers, showcasing its excellent fuel economy even during the break-in period [8][10]. Group 2: Business Impact and Growth - The switch to the QuanChai Q25 engine has allowed the company to meet and exceed delivery targets, leading to additional contracts and increased income [5][6]. - The article illustrates how the engine's reliability and efficiency have become crucial for establishing long-term partnerships with express delivery companies, where "time equals revenue" [10][12]. Group 3: Comfort and Maintenance - The Q25 engine provides improved comfort with reduced vibration and noise levels, which is essential for drivers who spend long hours on the road [12][14]. - Regular maintenance and attention to engine and after-treatment components are emphasized as vital for minimizing breakdowns and ensuring high performance [15]. Group 4: Future Prospects - The company is considering purchasing the upgraded Q25A model, which offers enhanced power and further reduced fuel consumption, indicating a commitment to continuous improvement and adaptation to market demands [15][16].