... Concrete Mixer JS-750 1.Easy oprating 2.Low maintenance 3.ISO9000,ISO90001,14000,CEmarks 4,Economic investment JS-750 Compulsory Twin-Shaft MixerThis Mixer ... can force mix plasticity, low plasticity, rigid and various kinds of concrete and sand ... ,14000,CEmarks4,Economic investment Main techonogy parameters of Concrete Mixer JS-500: 1.Model:JS-500 2.Material ...