Your Professional Air Suspension Manufacturer!
Founded in 2016, Shandong Jieyun Automobile Technology Co., Ltd. is a professional manufacturer specializing in the research, development, production, and sales of semi-trailer axles, suspension systems, and related components. Located in Liangshan, China’s well-known special vehicle industrial base, the company operates advanced production lines and a strict quality management system. Its products include American- and German-type axles as well as customized suspension solutions, widely used in wind power transportation, heavy equipment logistics, and container transport. With reliable product quality, strong technical support, and global service capabilities, the company exports to Europe, North America, the Middle East, and Southeast Asia.
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![German-style Air Suspension]()
German-style Air SuspensionRepresenting the pinnacle of European trailer engineering, our German-style air suspension system is engineered for unparalleled ride stability, precise load management, and superior protection for -
![Single-point Suspension]()
Single-point SuspensionSingle-point suspension consolidates the entire suspension system into one robust, centrally mounted assembly per axle. This innovative design replaces traditional multi-link setups with a -
![American-style Air Suspension]()
American-style Air SuspensionEngineered for the North American heavy-duty market, our American-style air suspension delivers reliable, high-capacity performance with straightforward serviceability. Characterized by its -
![RV Air Suspension]()
RV Air SuspensionEngineered specifically for recreational vehicles, our RV Air Suspension system replaces traditional steel springs to deliver an unparalleled travel experience. It actively adjusts to road conditions -
![Heavy-duty Air Suspension]()
Heavy-duty Air SuspensionDesigned for the world's most demanding on- and off-highway applications, our heavy-duty air suspension system provides exceptional load support, superior ride quality, and unparalleled durability. -
![Air Suspension On Dump Trailer]()
Air Suspension On Dump TrailerEngineered specifically for the punishing lifecycle of dump trailers, our Air suspension on dump trailer is designed to manage extreme shock loads, uneven terrain, and frequent load/unload cycles. It -
![Heavy Truck Air Suspension]()
Heavy Truck Air SuspensionEngineered as the critical interface between a heavy-duty truck and the road, our heavy truck air suspension system is designed to optimize performance, protect cargo, and enhance driver comfort over -
![Truck Front Air Suspension]()
Truck Front Air SuspensionOur Truck Front Air Suspension system redefines the driving experience for heavy-duty vehicles by replacing traditional steel leaf springs. Engineered specifically for the steering axle, it delivers -
![Air Suspension Front Suspension]()
Air Suspension Front SuspensionExperience a revolution in driving dynamics with our purpose-engineered Air Suspension Front Suspension. This system replaces conventional steel springs with a precision air suspension setup on your -
![Rear Air Suspension]()
Rear Air SuspensionEngineered to transform your vehicle's rear-end performance, our premium Rear Air Suspension System provides unparalleled adaptability. It seamlessly adjusts to varying loads and road conditions, -
![Front Air Suspension]()
Front Air SuspensionOur Front Air Suspension System is engineered to deliver a transformative driving experience by replacing rigid coil or leaf springs with adaptive air technology. This system provides unparalleled -
![Semi-trailer Air Suspension]()
Semi-trailer Air SuspensionDesigned for heavy-duty hauling, our semi-trailer air suspension is a game-changer for long-haul truckers and fleet managers. It blends reliable performance, smooth ride quality, and durability to
Why Choose Us
Advanced Equipment
Our factory boasts a modern production line covering the entire process from material preparation, welding, machining to assembly and painting. We are equipped with advanced CNC machine tools, robotic welding workstations, and fully automated painting lines to ensure product precision and consistency.
ODM/OEM Service
We possess strong R&D and customization capabilities, enabling us to provide customized axle and suspension solutions based on the standards and requirements of different overseas markets. Our products serve multiple sectors, including trucks, trailers, and construction machinery.
High Quality
We strictly adhere to the IATF 16949 quality management system and have a professional testing center that comprehensively monitors raw materials, processes, and finished products to ensure the safety and reliability of our products.
Production Market
In terms of regional markets, our products have successfully entered several key global markets. In Europe, we focus on high-safety products that meet ECE standards; in North America, our trailer axles have obtained DOT certification; and we have also established stable sales networks in the Middle East and Southeast Asia.
Advantages of Air Suspension
Air suspension is an advanced suspension system that uses compressed air (air springs) instead of traditional metal springs to support the vehicle body. Its main functions and advantages include:
Enhanced Comfort:
Air suspension automatically adjusts its stiffness according to road conditions, effectively filtering road bumps and providing a smoother ride. It is particularly effective at absorbing shocks on rough roads or over speed bumps compared to traditional suspension.
Adaptive Vehicle Height Adjustment
High-speed driving: Lowering the vehicle reduces wind resistance, improving stability and fuel economy.
Complex road conditions (such as off-road): Raising the vehicle increases ground clearance.
Convenience: Lowering the vehicle when parking facilitates passenger entry and exit or loading and unloading cargo.
Improved Handling
By adjusting suspension stiffness in real time, it reduces body roll and nose-dive during cornering or sudden braking, enhancing tire grip.
Load Balancing
When the load is heavy (such as when the trunk is full of luggage), the air suspension can automatically inflate to keep the vehicle level, avoid the "tail collapse" phenomenon, and ensure driving safety.
Applications of Air Suspension
Luxury Vehicles
Many high-end cars use air suspension for the enhanced comfort and adjustable ride quality it provides.
Commercial Vehicles
Trucks and buses often utilize air suspension systems to handle heavy loads and improve passenger comfort.
Off-Road Vehicles
Air suspensions allow these vehicles to adapt to varied terrains, providing better ground clearance and comfort.
Performance Cars
Sports cars use air suspension to dynamically adjust ride height and stiffness for improved handling and performance.
Air Suspension System Components
Air springs: Also called air bags or pneumatic springs, these assemblies are typically a flexible rubber bladder mounted on top of a strut. They can inflate or deflate to adjust the amount of resistance and give at each wheel.
Ride height sensors: Either mechanically or electronically, small sensors mounted at each wheel of a car take a constant reading of the ride height at that wheel.
Suspension control module: A small, specialized computer that acts as the “brain” of a pneumatic suspension system, analyzing ride height readings and instructing other components on what to do.
Suspension air compressor: This mechanical air compressor is not dissimilar from one you’d find in many garages. However, it is designed specifically for air suspension systems both in terms of fit and function.
Air suspension manifold: The manifold is what regulates where air goes and how much of it gets sent, based on instructions from the control module.
Delivery lines: Pneumatic hoses carry air between different components throughout the system.
Air reserve tank: After the compressor generates pressurized air, it is stored in a reserve tank to be used as needed.
Seals and gaskets: Although tiny, seals and gaskets are critical to a healthy air suspension system. They prevent air leaks and ensure the overall efficiency of the system.
Technical Parameters
|
Parameter Item |
Specification |
Unit |
|
Single Axle Rated Load |
8-40 |
T |
|
Airbag Working Pressure |
0.6-1.2 |
MPa |
|
Height Adjustment Range |
100-300 |
mm |
|
Vibration Damping Rate |
≥65% |
- |
|
Body Roll Reduction Rate |
≥40% |
- |
|
Working Temperature Range |
-40 to 120 |
℃ |
|
Air Leakage Rate |
≤0.01MPa/24h |
- |
|
Service Life |
≥1,200,000 |
km |
Packaging and Shipping
FAQ
As one of the leading air suspension manufacturers and suppliers in China, we also support customized service. Please feel free to buy high quality air suspension made in China here from our factory. For pricelist, contact us now.
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