... extensive mini concrete mixer DescriptionJZC, JZM Series Concrete Mixer are gravity type double cone reversal material mixer. The mixing drum transmits through ... , bridge engineering and various kinds of concrete factories.JZC, JZM Series Mixer is designed according to GB/T9142-2000 "Concrete ... etc. Advantages. It is an advanced model.This series mixer including JZC250, 350, 500, 750,, and the JZM350 ...