... high quiality2. low dust,protect environment3. easy to operateShotcrete machine:Shotcrete machine, cement throwing jet ismainly used in construction for tunnel, ... swimming pool, wall etc.this shotcrete machine is wisely used in mines, tunnels, culcerts, subway, ... dry type spray Model DYPG-5Capacity 5 m3/h Air consumption 7-8 m3/h Conveying distance 200m-40m⊥Material ration ...