The product is made of stainless steel. Design of semi-trailer with chassis frame: Including 2 main girders and many horizontal beams. Semi-trailer size: 50ft Load: 150kg Floors, tanks, cisterns, cisterns Traction battery (also known as load bearing battery) Pull pin Support legs: Raised when the trailer is attached to the trailer, lowered to support the trailer when removed from the vehicle by handwheel. Shaft (bridge): 3AXLE Twist lock: Lock the upper container with the bottom trailer Suspension system Wheel/tire: double tire
