Signs, numbers, complete mark, writing clear.
Trailer look clean, good parts, fast joints, no defects.
The basic parameters and dimensions of the trailer shall comply with the provisions of GB / T4330.
Cable, brake trachea and hydraulic tubing length appropriate, reasonable position, in the turn, reversing is not affected.
Tractors and biaxial trailers should be installed on both sides of the protective net (frame, chain, cable, etc.).
When the bottom of the compartment of the biaxial trailer is more than 800mm from the ground, the protective cable (frame) shall be provided on the outer and outer sides of the front and rear wheels.