Inhouse product
Here’s a description for the Relay Valve for China Vehicle:
"The Relay Valve for China vehicles is a key component in the air brake system, designed to regulate and direct air pressure to the brake chambers for optimal braking performance. This durable and reliable valve ensures fast and efficient brake response, improving vehicle safety and stability. Built to meet the demands of China-manufactured vehicles, it offers seamless integration and long-lasting functionality, even under challenging driving conditions."