GZ-3 shotcrete machine 1.dry-mix shotcrete machine 2.small-sized,convenient,economic 3.high-quality 4.reasonable price GZ-3 ... :GZ-3 Shotcrete machine/Gunite machine /Concrete Spraying Machine is small-sized shotcrete machine for the dry spraying process.GZ-3 shotcrete ... machine can be used as well for small jobs, such as joint filling, swimming pool, refractory application and ...