About

About Zhejiang Julong Intelligent Fluid Control System Co., Ltd. Julong is a specialized manufacturer of high-performance brass air brake fittings for the heavy-duty truck and trailer industry. We produce precision-engineered connectors, tees, elbows, and adapters that guarantee superior leak-proof sealing and exceptional durability under high pressure. Our components meet or exceed strict industry standards, ensuring safety and reliability on the road. We provide robust ODM/OEM solutions and volume manufacturing for leading brands. Visit us at APPEX Show to explore partnership opportunities built on quality and trust.