... easy to operate,etc. Concrete pipes produced by this machine have characteristics as follows: inside and outside walls are ... drainage engineering, quality is very reliable. Cement pipe machine Technical Parameters: Host machine power7.5KWRotor frequency of roller40-50rpmMolding time5 minHost ... 600*1000, φ800*1000, φ1000*1000Raw materialCement, sand, broken stones HOT!!! cement pipe making machine