Most of domestic semi-trailers are equipped with advanced intelligent systems, such as tire pressure monitoring, automatic charging and deflating, brake disc wear alarm sensors, etc., which improve the safety and reliability of the vehicle. At the same time, the research and development and application of the intelligent trailer system are also constantly advancing, achieving functions such as self-proclaimed weight, load optimization, trailer height adjustment, and axle upgrading, which improves transportation efficiency and management level.

The lifting bridge trailer produced by a trailer manufacturing enterprise in Liangshan, Shandong province, is different from the general first bridge or third bridge lifting of foreign trailers, and the trailer can lift one and three Bridges at the same time. There are four sets of steel plate suspension and two sets of air bag suspension, in which the three axes share four leaf spring suspension, and the air bag is suspended on the two steel plate suspension of the second bridge. The whole system is composed of an air storage cylinder, an air bag, a solenoid valve, two load sensors and two quick release valves. By inflating the air bag, the leaf spring is pressed down to realize the lifting of the outer two

The seventh generation of 13m rollover dump semi-trailer launched in 2024 has a weight of 4.98 tons, which is the lightest 13m rollover dump semi-trailer in China at present. The car uses the new Jipa grade super steel material, in the girder gooseneck box structure, cylinder layout and super steel European suspension system and other aspects of optimization, but also combined with the domestic first-class axle brand, to achieve the brake pads, explosion-proof hydraulic cylinder and super steel ring and other accessories upgrade.