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