Mining Screw Grouting Machine Compact structure, light and flexible, convenient to operate and maintain, very reliab LBZ series Mining Screw Grouting ... reliableApplication scropeScrew type grouting machine is mainly used in fire prevention grouting underground gob area in the mines, it can also ... is allowed that there is some granulous things in the mud, the mud can be further Stirred.modelLZB-50 /1.2 ...