Concrete Mixer Introduction: 1)Model:JS500 2)Materials:FD 3)Size:FS 4)JS500 concrete mixer belongs to double-conical tumbling box concrete mixer which is driven by friction-gearing.The tumbling box is driven by two electric motors which could be efficiently prevent slipping. It also has automatic feeding hopper. The mixer can be used together with PLD series proportioning machine as a simple concrete mixing station.