JZC350 concrete mixer is a kind of self-fall bipyramid reversal discharging mixer machine; the drum is driven with the gear; during working, It is mixing in positive rotation and discharging in reversal revolution. It can mix the plastic and half-dry hard concrete. The mixer is designed and manufacturesd as GB/T9142-2000 Concrete mixer. It has reasonable instruction, high production efficiency，good mixing quality and beautiful sculpt. It is a kind of advanced model.