... appearance, reliable operation, easy to operate,etc. Concrete pipes produced by this machine have characteristics as follows ... irrigation, drainage engineering, quality is very reliable. Concrete pipe maker Technical Parameters: Host machine power7.5KWRotor ... mm)φ200*1000, φ300*1000, φ400*1000, φ500*1000, φ600*1000, φ800*1000, φ1000*1000Raw materialCement, sand, broken stones HOT!!! concrete pipe maker