The semi-trailer is made of high-strength materials, which makes it have a strong bearing capacity and can carry a weight of 60-70 tons. The main beam is made of HG high-strength steel, and the side beam is made of "H" steel, which is durable and not easy to deform. The loading ramp is also made of high-strength steel, which has a high load-bearing capacity and is able to handle heavy equipment without deformation. In addition, the semi-trailer also uses polyurethane paint, which has a long service life and prevents the vehicle from rusting. In terms of spare parts, the semi-trailer uses spare parts of world-renowned brands to ensure high quality and save costs. In short, this semi-trailer has great advantages in terms of carrying capacity, durability, service life and spare parts, and is worthy of user choice.