Weichai adheres to the international development strategy and has created a synergistic industrial layout around the world. It ranks 18th among the top 100 Chinese multinational companies in 2022, with a multinational index of 39.06%, making it an important business card for China's equipment manufacturing industry in the world. In 2004, after being listed in the Hong Kong stock market, Weichai Power became the first internal combustion engine company listed in Hong Kong stock market, which marked Weichai stepping onto the road of capital internationalization. In 2005, Weichai Power purchased Torch Group and built a golden industry chain for heavy trucks (Weichai engine + Fast transmission + Hande axle + Shacman heavy truck). Afterwards, through stock-for-stock with Torch Group, Weichai returned to mainland stock market from Hong Kong, which created a “Weichai model” in capital market. Since 2009, Weichai has successively acquired Baudouin, a French engine company with a history of 100 years; strategically reorganized Ferretti Group, a luxury Italy yacht manufacturer; and strategically cooperated with KION Group, a German industrial forklift and service provider; acquired Linde Hydraulics and realized localization; supported KION Group to acquire Dematic, an automatic logistics provider; strategically invested in PSI, an alternative fuel power system provider, Ceres Power Holdings Co., Ltd. in U.K., a solid oxide fuel cell supplier, and Ballard Power Systems Co., Ltd. IN Canada, a hydrogen fuel cell supplier, Strategically reorganized of German ODS, Austria VDS, and Fischer (Switzerland) Fuel Cell & Air compressor Company to realize global business presence and balanced development. Weichai has established production bases in India and other places to realize localized manufacturing. In January 2021, Weichai strategically reorganized Lovol Heavy Industry to accelerate the mechanization and intelligence of China's agriculture industry, and lead China's agricultural equipment to the high-end.

During the rapid development, Weichai has always fulfilled its social responsibility by actively participating in welfare and charity activities. It contributed to volunteer service, poverty alleviation, disaster relief, and education donation. Weichai actively advocated energy conservation, emission reduction, and green production, continuously promoted technology upgrading, cooperated with the upstream and downstream of the industrial chain to realize mutual benefit and win-win, and shared development results with the society.