... a manufacturer of prestressed concrete hollow GLY forming machine (hole, Hole) is a reasonable design.simple, easy to maintain ... Machine 180-900 1.3-1.5m/min 5 hole (round)2. XQH prestressed concrete hollow cutting machineXQH150-600 type ... 1,3-1,5m/min 2 holeΦ65Beam over wood molding machine 120×240×2 1,3-1,5m/min ... 4 holeΦ65Over wood molding machine 120× ...