... JS500 concrete mixer 1.ISO9001:2000 certified 2.Capacity:25m3/h 3.Electrical Power:18.5kw 4.Rotating Speed:35r/min concrete mixer ... ,concrete mixing machine,beton mixer,beton mixing machine,concrete mixing ... Centrifugal pump for water feeding or flushing.Models:JS500-25m3/h; JS750-37.5m3/h; JS1000 ... concrete equipment technology..... Twin-shaft JS500 concrete mixer