QT4-18 automatic cement concrete hourdis block making machine can produce sizes of hollow blocks, solid brick, hourdis, interlocking pavers and kerbstone by changing molds.

please get detailed informaion in http://www.giantlinblockmachine.com/QT4-18-Automatic-Hydraulic-concrete-paving-block-and-brick-making-machine-7-28-1.html