... BENZ INSERT HAND CONTROL VALVE Material: Aluminum Alloy Machining: CNC machining center We are ... foot brake valve,hand brake valve,relay valve,protection valve,air dryer,levelling valve and so on2. Strict quality control at ISO ... , NylonMachining: CNC machining centerInspection : 100% leakage test and other test.HAND BRAKE VALVE Application: SINO TRUCK,FAW,FOTON,JAC TRUCKWe also ...