What are the rules so that the road?

Traction in trailer according to the law of the People's Republic of China on road traffic safety regulations on the implementation of the regulations, the trailer can meet the following conditions of the road. According to article 56 of the hydraulic trailer axle manufacturer we know tractor trailer shall meet the following requirements: (motor vehicles A) Truck, semi-trailer, the tractor tractor only allow traction 1 car trailer. Trailer light signal, brake, connection and safety protection device shall meet the national standards; ( 2) Small passenger cars only allow traction in the trailer trailer or total quality under 700 kg. Trailer shall be manned; ( 3) Tractor trailer by the truck load shall not exceed the truck itself quality quality. Large and medium-sized passenger cars, low speed truck, three cars and other motor vehicle shall not tractor trailer. Relevant tags: hydraulic trailer axle