... . Characters: This concrete interlock block forming machine is with PLC intelligent control. Man-machine interface, control system equipped with complete logic ... .Optional configuration:1. Lift-slab Elevating Conveyor (block stacking machine):According to the different type of bricks, the finished products ... 115*51), 57000pcs/day (8hours) Concrete Interlock Paving Block Forming Machine (MODEL QT6-15)