SAIC Motor Sales and Production Express data show that: In 2017, 22 domestic diesel engine companies sold 3,575,201 automotive diesel engines, a year-on-year increase of 23.98%. Among the top ten diesel engine companies, nine companies saw positive growth, and eight of them had positive double-digit growth. After experiencing a rebound in 2016, driven by heavy-duty vehicles, sales of diesel engines continued to increase in 2017, the growth rate further expanded, and the ranking of diesel engine companies also changed. Heavy duty diesel engine 1. Weichai Power Cumulative sales: 488160 units year-on-year increase: 54.54% In 2016, Weichai Power stopped falling and recovered, returning to the top three for diesel engine sales. In 2017, Weichai Power took hold of the sales of blowouts in the heavy-duty vehicle market. With its advantage in heavy-duty vehicles, Weichai Power won the championship in one fell swoop. In 2017, sales of Weichai truck power products exceeded 420,000 units. Weichai WP9H, WP10H and Other new generation diesel engines are particularly prominent and will be the key promotion products for Weichai in 2018. 2. Yuchai Machine Cumulative sales: 487,619 units year-on-year increase: 70.49% In 2017, Yuchai's performance was also remarkable. Among the top 10 diesel engine companies, the largest increase occurred. In 2017, Yuchai's truck power sales increased by 28.9% year-on-year, and the trend of high-end and high-powered truck engines has grown. At the beginning of 2018, Yuchai released 14 models of the National Sixth Engine and took the lead in deciding to implement the National Sixth. It will also take Yuchai to the high-end and realize important opportunities for transformation and upgrading. 3. Cloud power Cumulative sales: 363,280 units year-on-year increase: 14.54% In 2017, Yunnei Power closely followed the market demand and led diesel engine energy-saving and emission reduction technology upgrades. Yunnei Power carried out research and development and market layout of SVIVI products in advance, and through the benchmarking of first-class products, it has formed a three-platform of intelligent, light-weighted, platform-based and standardized DEV series. At the same time, Yunnei Dynamics adjusted the product structure according to market demand and increased its product lineage. There were corresponding products from 0.9 to 6.7L. At the same time, Yunnei also achieved phase performance in the development of hybrid and automatic transmission assembly applications. 4. Beiqi Foton Cumulative sales: 329,691 units year-on-year increase: 23.57% In 2017, Beiqi Foton ranked jumped from seventh to fourth, and achieved a positive growth of diesel engines for three consecutive years. The continuous growth of its diesel engine was mainly due to the growth of Foton Cummins engines and the advantages of Foton Motors' entire vehicle. In 2017, among them, Foton Cummins engines sold 272,497 vehicles, an increase of 32.23% year-on-year; Aubell's engines sold 80,386 vehicles, a year-on-year decrease of 3.48%. 5. All diesel power Cumulative sales: 315,266 units year-on-year increase: -0.22% Among the top ten diesel engine companies, Quanchai was the only engine company with a slight drop, and the sales volume was basically the same as 2016. In 2017, Quanchai proposed five major development directions: product orientation, quality orientation, cost orientation, service orientation, and user orientation. This is also the direction and focus of future development of Quanchai. At present, the non-road diesel engine market has become an important market for Quanchai, even accounting for the upper hand, and it is growing rapidly in non-road markets such as construction machinery. 6. China FAW Cumulative sales: 308,640 units year-on-year increase: 12.32% The increase in the sales volume of China FAW Diesel Engine was attributed to the release of FAW's Engine Division. In 2016, Xichai sold 300,000 engines throughout the year, an increase of 31% year-on-year. In 2017, FAW Liberation Engine Division continued to maintain its growth advantage, with sales volume up 5.61% year-on-year, achieving sustained growth at a high base, and sales profits up 63% year-on-year. Among them, Aowei 6DM3 diesel engine performed exceptionally well. The cumulative sales volume for the year increased 1020% year-on-year, and helped FAW Liberation continue to expand its market share. 7. Jiangling Holdings Cumulative sales: 281,951 units year-on-year increase: 0.87% Jiangling Holdings achieved double-digit growth in 2016 and achieved a slight increase in 2017. Jiangling’s diesel engine is mainly sold within the Jiangling Group, so the sales volume of Jiangling’s diesel engine is inseparable from the development of Jiangling’s entire vehicle. In 2017, Jiangling's first heavy-duty Jiangling Veyron went public on the market and realized a heavy vehicle marketing system from scratch. The development of JMC heavy-duty vehicles will inevitably lead to a strong pull for the sales of diesel engines. 8. Dongfeng Motor Cumulative sales: 203,004 units increased year-on-year: 22.91% In 2016, Dongfeng Motor sold diesel engines to break through the 100,000 mark, achieving an increase of 7.49% year-on-year. In 2017, the sales volume of Dongfeng Automotive Diesel Engines continued to grow, breaking the 200,000 mark, and achieving double-digit growth year-on-year. Dongfeng Diesel Engine also mainly sells its internal products and is driven by the larger vehicles. 9. China National Heavy Duty Truck Cumulative sales: 181,905 units increased year-on-year: 69.05% The surge in sales of CNHTC's diesel engines in 2017 was mainly due to the increase in vehicle sales. In 2017, CNHTC expects to sell 300,000 complete vehicles, an increase of 47% year-on-year. The sales of heavy trucks equipped with Mantech's engines increased by 97% year-on-year, which accounted for 43% of China National Heavy Duty Truck's domestic heavy truck sales. Mantech's products were widely recognized by users. 10. Great Wall Motor Cumulative sales: 92,308 units year-on-year increase: 13.38% Great Wall Motor's sales of diesel engines in 2017 achieved double-digit growth, turning away from engine companies such as Huayuan Laidong, and entering diesel sales top10 in one fell swoop. Among the Great Wall's pickup trucks and SUVs, some of the products are diesel versions because the diesel engine is economical and explosive, and has received a welcome from the market. 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