PZ-5 Gunite Machine for Construction uses a whole cup type elastic material, the elastic sticky discharges elbow, the overall clean boards. Rotor material cup and bend the material has a self-cleaning effect, non-adhesive, non-blocking, no cleaning, dust concentration 20mg/m3, the average rebound rate 15%, has the feature of simple structure, reliable, high efficiency, easy assembly and disassembly the nozzle discharge uniformity and long life of wearing parts and so on.Which is one of leading technology concrete injection machine in the domestic.