HR 4-10 Soil brick making machine Advantages 1.fully automatic clay brick machine ,The oil pump uses silent gear pump + three hydraulic cylinder at top presser ,supplying 5 seconds more faster than common brick machine , ( Airbag clamp version uses plunger pump) 2.The host machine PLC is automatic controlled, the PLC brand is DELTA. 3.Airbag fixture ensures that the bottom of the brick is flat and uniform. 4.Up and down pressurization system ensures the density of bricks in maximum. 5.Controlled by proportional valve, the oil pressure can be changeable.