... 2.high performance price ratio Description of JDC 250 seris concrete mixer 1.JZC, JZM series concrete ... with double cone, the mixing tube is driven by ring gear, during its operation, it will turn ... factories. 2.JZC, JZM series mixer including JZC 250,350,500,750 and JZM350, altogether 5 main models ... all moveable type. Main technology parameters of JDC 250 seris concrete mixer After-sale service 1.operator ...