... concrete pipes ISO9001:2008 Good quality Low price Pipe extrusion machine BM-120 is the ideal equipment which produce cement pipes. ... operation, easy to operate,etc. Concrete pipes produced by this machine have characteristics as follows: inside and outside walls are smooth ... , φ600*1000, φ800*1000, φ1000*1000Raw materialCement, sand, broken stones pipe extrusion machine BM-120