1. The series of box-type semi-trailers are suitable for the transportation of household appliances, light textile goods, coal, sand and gravel building materials, as well as palletized goods. Box-type transport semi-trailers have strong carrying capacity, high safety factor, reasonable design, sturdy and durable, and advanced manufacturing technology.

  2. The frame of the box-type transport semi-trailer is of through-beam structure. The longitudinal beams adopt straight or swan-neck style. The thickness of the web plates ranges from 400 to 550. The longitudinal beams are welded by automatic submerged arc welding, and the frame is treated by shot blasting. The cross beams are inserted into the longitudinal beams and welded together.

  3. Box structure: The box body is made of high-strength cold-rolled corrugated steel plate, without a frame structure, centered and spread out, with diverse options, large loading space, reasonable distribution inside the box, X-type support, featuring multi-load-bearing, heavy-load capacity and light self-weight. The roof of the box has closed type, push-pull opening type, open type, open-top with tarpaulin pole type, etc., which is convenient to operate and meets the diversified and personalized requirements of users.

  4. The series of tandem steel springs and suspension supports are composed of them; the structure is reasonable, with strong rigidity and hardness, used to bear the load and reduce impact.

  5. The box-type transport semi-trailer adopts a closed side protection design, effectively reducing the lateral risk of the vehicle when traveling at high speed, reducing energy consumption, and the rear protection design has reasonable pusher accessories, convenient for operation.