Spring brake chamber/Foot brake valve/Relay valve /Hand brake valveUnloader valve/Four circuit protection valve/Air dayer/Quick release valve/Palm coupling/Leveling valve/Electric couples/Slack adjustersApplied in Vehicle:MAN-MERCEDES-VOLVO-SCANIA-DAF-IVECO-RENAULT-STEYR-BMC-FORD-ISUZU-FUSO-NEOPLAN-NATO-FAUN-REFOur main products:air brake valve:foot brake valve,hand brake valve,relay valve,protection valve,air dryer,levelling valve and so on.1.High quality foot brake valve,hand brake valve,relay valve,protection valve,air dryer,levelling valve and so on2. Strict quality control at ISO 9001:20003).Good process flow and cost effectiveMaterial: Aluminum Alloy, Zinc Alloy, NylonMachining: CNC machining centerInspection : 100% leakage test and other test.Application: SINO TRUCK,FAW,FOTON,JAC TRUCK