1.Helix mixing machine,Spiral conveyor 2.Working with concrete gunite machine 3.2700X820X1650mm,1460kg 4.Cement:sand=1:3-5 JPZC7I(B)Helix mixing spraying machine units Aplication:JPZC7I(B)Helix mixing spraying machine unit aims at changing underground coal mine,dosing,mixing and charging by hand these old spraying technics.It is mechanical to dose,mix and charge. Features3 hoppers,helix mixing, ...