... 1 person to operate2. electric mixing slurry3. capacity is 8,000~12,000 pieces/hour4. Machine weight is 260 kg, ... requirement of teaching, vessel etc.The chalk making machine is supplied water automatically, mixing material by electric mixer, filling mould, taking ... about this machine, please send us inquiry, we will reply you soon!! Hot Sale Chalk Machines for Chalk Production line 0086-15837122414