According to the relevant regulations of road transport in China, if the vehicle that has obtained the road transport license really needs to be modified, the road transport operator shall obtain the consent of the relevant departments in advance and hand it over to the legally modified enterprise for vehicle modification. After modification, the road transport operator shall go through the formalities for changing the vehicle driving license at the relevant departments, and go through the formalities for changing the road transport license at the transportation department and the road transport management institution after passing the comprehensive performance test of the vehicle. It is illegal to change the overall size or bearing limit of a vehicle without authorization.

The dimensions of trucks are as follows: 1, 20-foot container: the external dimension is 6. 1M×2.44M×2.59M, that is, the height is 2.59m .. 2: 40ft container: the external dimension is12.2m× 2.44m× 2.59m, That is, the heightening container with a height of 2.59m .. 3.40ft: the overall dimension is12.2m× 2.44m× 2.9m, that is, the height is 2.9m. The height of the general standard container truck is 50 ~ 51in (127 ~1.