2010 best selling JZC250 concrete mixer machines are  the reversal mixer machines, the mixer canister is drove by the tooth circle. When it works, if you veer turn is mixing, and reversal turn is output material. It can mixer the plastic and the half dry hard concrete. And it is the ideal machines for construction fields, road, bridge project and all kinds of concrete parts factory. JZC series mixer includes JZC250, 350, 500, 750 and JZM350. All the machines are portable type except JZC750 is stationary one.
 

 As a gravity type of double-conic reversing drum concrete mixer,the drum transmits by gear or friction wheel ,the drum rotates clockwise during mixing and anti-clockwise during discharging ,the mixer can mix plasticity and damp half-dry concrete ,it is usually used on ordinary construction sites,roads ,bridges projects and concrete prefabricated parts factories,