As a leading company in China’s commercial vehicle field, Dongfeng Special Automobile Bus (covering buses, school buses and new energy vehicles) occupies an important position in the global passenger transport market with its independent and controllable core technology and modular system design. This article deeply analyzes the technical logic and commercial value of the core system of buses from the four core dimensions of power system, chassis architecture, safety protection and intelligent control, combining the latest technological achievements and Duramac’s global service experience.