YZ4000 Hydraulic Block Machine adopts plate-type structure as its main frame, which is firm, durable and high pressure. It adopts hydraulic pushing-jar to push/pull mould, the mold’ s orientation is highly exact. The whole machine has high level automatization, stable performance. The pressed product has good compactibility, which edge angle is trenchant, high intensity of resist compression and creasing resistance. It is suitable for series of special shape, big size and high intensity road curb and prefabticated unit.