... productivity,high quality mixing...... JZC,JZM series concrete mixers are gravity type reverse tuming discharging mixers with double cone,the mixing tube is ... ,raod bridge works and various types of concrete members factories.JZC,JZM series mixer is designed and manufactured according to ... ,it is a kind of advanced machine model.This series mixers including JZC250,350,500,750 and JZM350,altogether 5 ...