... .Reasonable price 2.Firm structure 3.Electricity School Chalk Making Machine SpecificationHNYL 800-1:Beating with manpower.1 person operating. ... 2.5 CBMHNYL 800-6Automatic beating and water supply, Product line, 2 operators, 380000-400000 pieces per day.Packing size: ... 650, 2.8CBMHNYL 800-8Automatic beating and water supply, product line, 3 operators, 580000-600000 pieces per day.Packing size: 660 ...