Inhouse product
Here’s a description for the Leveling Valve Rubber Yutong 55:
"The Leveling Valve Rubber for Yutong 55 is a durable, high-performance component designed to maintain consistent suspension height and enhance ride stability. This rubber part works within the leveling valve system to regulate air pressure, ensuring smooth operation and optimal vehicle performance. Built for long-lasting durability, it is specifically designed to fit Yutong 55 vehicles, providing reliable function under varying load and road conditions."