... 3. Capacity: 25~30 m3/h JZM500 Electric Portable Cement Concrete Mixer Descriptions of JZM500 Concrete Mixers: JZM series mixer is a ... site, roads, bridge projects and precast plant.Technical Parameters of JZM500 Concrete Mixers:Model: JZM500Discharge volume: 500LCharging volume: 800LCapacity: 25~30 ...