Colorful chalk making machine 1,The chalk size and shape can be customized. 2, ... ,best price Colorful chalk making machineDescription: 1.Chalk Making Machine, school chalk making machine CaCO3 dustless chalk automatic make machine. 2.Our chalk making machine is of good price ... rages from 40000 PCS-600, 000 PCS per day . 3.Automatic beating and water supply, product line, 1 operator . Chalk sizeReal ...