Qtj4-40 includes the reducer,the lifting motor,vibrators,and the controller.The machine is of muti purpose.It can not only be applied to produce concrete blocks,but also ussed in the production of fly ash,cinder,slag and other materials blocks.And changing different mold can produce various specifications hollow blocks,paver blocks ,standard blocks. It has rational design,excellent performance,and it is equipped with powerful vibration motor.The block is of good quality,large density and high strength.