What does vehicle classification M1 mean?

[CamilleFitz]

Vehicle classification M1 refers to passenger vehicles with at least four wheels or three wheels and a manufacturer's maximum gross mass exceeding 1 ton, with no more than 8 passenger seats in addition to the driver's seat. M1 is one of the vehicle classifications in China's vehicle type approval regulations. Class M represents four-wheeled passenger vehicles, which are divided into M1, M2, and M3 based on the number of passengers and the vehicle's maximum design gross mass. Class N represents goods vehicles, divided into N1, N2, and N3 based on the vehicle's maximum design gross mass. Class O represents trailers, divided into O1, O2, O3, and O4 based on the vehicle's maximum design gross mass. Class L represents two-wheeled or three-wheeled vehicles, divided into L1, L2, L3, L4, L5, L6, and L7 based on engine displacement, speed, and power.