... effective and individual service for you.1.High quality foot brake valve,hand brake valve,relay valve,protection valve, ... cost effectiveMaterial: Aluminum Alloy, Zinc Alloy, NylonMachining: CNC machining centerInspection : 100% leakage test and other test.Brake Valve Application: SINO ... ,FOTON,JAC TRUCKOur main products:air brake valve:foot brake valve,hand brake valve,relay valve,protection valve,air ...