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  • Diankou Industrial Area, Zhuji, Zhejiang, China

  • +86-575-87657752

  • +86-13456546016

  • [email protected]

Zhuji Weicheng Auto Parts Co.,Ltd.

Zhuji Weicheng Auto Parts Co., Ltd. is located in Diankou Town, Zhuji City, Zhejiang province of China. As China OEM Truck Leveling Valves Manufacturers, Factory, we specialize in the research, development, design, and manufacture of heavy duty trucks and trailers control system accessories.

Our products including foot brake valve, hand brake valve, relay valve, unloader valve, four circuit protection valve, trailer control valve, air dryer, spring brake chamber, clutch booster, and slack adjuster, are widely used on many types of the heavy vehicle around the world, such as MERCEDES BENZ, SCANIA, VOLVO, MAN, DAF, and HINO.

Our company introduces hi-tech quality testing instruments and precise production equipment. Truck Leveling Valves OEM. Meanwhile，we have also invited senior engineers and professional technicians to engage in product research, development, and production. At present, our products of the highest quality, competitive price, and excellent services have won a good reputation among customers at home and abroad.

For the Customer Provides the Omni-directional Service

  • For Manufacturers & Fabricators

    • Automotive Parts, Precision Tools & Dies
    • High quality CNC machining parts and Special Automation equipment.

  • For Wholesalers& Distributors

    • Competitive pricing on bulk orders
    • The customers are different but Weicheng has one unique philosophy to guide the latter to success.

  • For Project Contractors

    • Produce custom auto parts with client-specific measurements
    • Hundreds of CNC precision tooling and molds diversify your marketing campaign.

Company Certificate

As Wholesale Truck Leveling Valves Factory, our products have a variety of certification,
SGS/ROHS/ISO14001/IATF16949

  • Address:

    Diankou Industrial Area, Zhuji, Zhejiang, China

  • Mob:

    +86-13456546016

  • Tel:

    +86-575-87657752

  • Fax:

    +86-575-87616386

  • Email:

    [email protected]

If you need it, please contact us!

We have a strong R&D team,and we can develop and produce products according to the drawings or samples the customers offered.

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Industry Knowledge

Leveling valves, also known as ride height control valves or height control valves, are components of the air suspension system in heavy-duty trucks. They help maintain a consistent and optimal ride height of the vehicle, ensuring proper suspension performance and load distribution. Here are some common characteristics of leveling valves for heavy-duty trucks:
Ride Height Control: Leveling valves are responsible for controlling and adjusting the ride height of the vehicle. They monitor the suspension height and make adjustments to maintain the desired level, ensuring proper ground clearance, stability, and handling characteristics.
Load Compensation: Leveling valves are designed to compensate for changes in load conditions. As the vehicle's load increases or decreases, the leveling valve adjusts the air pressure in the suspension system to maintain the desired ride height, ensuring consistent suspension performance and load distribution.
Pneumatic Operation: Leveling valves operate using pneumatic principles. They receive air pressure from the air supply system and use that pressure to control the suspension height. The valve modulates the air pressure to raise or lower the suspension as needed.
Adjustable Sensitivity: Some leveling valves feature adjustable sensitivity settings. These settings allow for fine-tuning the response of the leveling valve to load changes, ensuring precise control and optimal ride height adjustment.
Compatibility and Mounting: Leveling valves are designed to be compatible with the specific air suspension system and the truck make and model. They are typically mounted on the chassis or suspension components, allowing for efficient monitoring and adjustment of the ride height.
Durability and Reliability: Leveling valves for heavy-duty trucks are built to withstand the demanding operating conditions encountered in commercial applications. They are made from durable materials and designed to resist vibration, temperature extremes, moisture, and other environmental factors.
Compliance with Standards: Leveling valves adhere to industry standards and regulations to ensure safety and compliance. They meet requirements set by organizations such as the National Highway Traffic Safety Administration (NHTSA) and relevant regional safety regulations.
Maintenance and Serviceability: Leveling valves are designed for ease of maintenance and serviceability. They may have accessible mounting brackets, connections, and fittings, allowing for straightforward installation, inspection, and replacement during maintenance or repairs.
Integration with Suspension System: Leveling valves are often integrated with other components of the air suspension system, such as air springs or air bags. This integration allows for seamless operation and coordinated adjustment of the suspension to maintain the desired ride height.
Monitoring and Feedback: Some leveling valves may incorporate monitoring or feedback mechanisms. These mechanisms provide information to the driver or the vehicle's electronic control system regarding the current suspension height or any deviations from the desired level.
Zhuji Weicheng Auto Parts Co., Ltd.

Zhuji Weicheng Auto Parts Company masters advanced technologies, and manufacture efficient and durable products for customers as the company's responsibility. Truck Leveling Valves Manufacturers in China