... , small shotcrete machine,CE,ISO,Made in China,Chinese. Dry-Mix Shotcrete Machine 1Hose,Made of native natural rubber 2Liner Plate ... of alloy carbon steel 3Gear,quenched Nitridin PZ-5B Dry-Mix Shotcrete MachineFunctional Descriptionwidely used in mines, tunnels, culverts, subway, hydropower ... with alloy elements added. Better wear resistance.Technical Parameter Dry-Mix Shotcrete Machine