... produce chalks of different size and shape and color , DescriptionThe machine is supplied water automatically, mixing material by electric mixer, filling ... the work are in a round assembly-line. The work efficiency is more higher than thetraditional machine. And it can save 30 ... three workerspacking size mould 660*500*350mm,eight pcs3M3 mix-machine 1310*700*1100mm,one pcmodel shelves 1150*540*370mm,two ...