it can utiltze the stone bits(waste material in stone field),slay,fly ash,sand,and the cement of 20%.....   

The cement pipe manufacturing machine of vertically compressing type ZY-B series can utiltze the stone bits (waste material in stone field), slay, fly ash, sand, and the cement of 20%, to produce the concrete cement pipe of 150-1000mm in internal diameter and 1000mm in length with the end connection of socket and plug type by the advanced technology of manufacturing cement pipes.

cement pipe manufacturing machine