... typeFolding armMain materialManganese steelHydraulic legs4 legsHydraulic systemManual proportional control, action, speed adjustable, with emergency manual hydraulic pump.Security systemWork arm outrigger interlocks ... , FOTON, ISUZU, JAC, JMC,KAMA,SHACMAN, etc.Our concrete mixer series:-----4x2 hith-altitude operation truck -----6x2 hith platform working truck ...