Our Rigid Arm Air Suspension (Regular Mounted) is a high-performance, heavy-duty suspension system specially designed for the trailer industry, integrating reliability, durability and practicality. Adopting the standard regular mounting design, it perfectly fits the installation needs of most 2-axle, 3-axle and multi-axle semi-trailers and full trailers, and is widely recognized in the heavy-duty transportation field for its stable performance and strong load-bearing capacity.