... , the moulds are made from ABS plastic,smooth and hard Chalk Making Machine The machine is supplied water automatically,mixing material by electric mixer ... -line.The work efficiency is more higher than the traditional machine.And it can save 30% material.The rate of eligible ... /daypacking size:1.6M3mould 660*500*350mm,two pcs mixing-machine 1310*700*1100mm,one pc mould shelves 1300*600*450mm ...