Concrete block machine has become the indispensable product of construction industry, concrete block function to reinforced concrete beam, slab, column, wall foundation in the range of allowable effective protective layer control, ensure the correct position of the reinforced concrete structures and reduce the indirect corrosion of reinforcement. Good consistency, adopting professional mold injection molding process, can effectively control the thickness of reinforced concrete protective layer; High strength, with good adhesion of concrete, the protection does not show the phenomenon of dew; Since the lock; Don't fall off; Not broken; It is easy to operate and saves money, and it is widely used in buildings, roads, Bridges, tunnels, airports and subways.