1: Specially optimized for road conditions, partially reinforced, sturdy and durable. 2: Lightweight design, under the premise of guaranteeing the rated load, relative to the air suspension of the guide arm, the single-axis self-weight is about 40 kg. 3: The main beam curve design, the internal high density is strengthened, and the impact stress is specially improved. 4: The main beam bushing adopts a specially formulated rubber compound, which is solid at the front and the back and has a hollow design to improve the comfort and reliability of the vehicle. 5: Various high-specification airbags and shock absorbers are selected to greatly improve the stability of the air suspension. 6: Provide customers with flexible and variable suspension assembly solutions