The answer lies in Wei Chai's continuous investment in independent research and development for more than 10 years. In recent 10 years, Wei Chai Engine has invested more than 30 billion yuan in R&D, constantly tackling key technologies, and promoting the transformation and upgrading of low-carbon emissions in China diesel engine industry chain. 20021semi-annual report shows that Wei Chai invested 4.6 billion yuan in R&D in the first half of the year. Such a high investment has made Wei Chai the dominant engine market.