... weight:50 kgHNYL 800-2 Automatic beating and water supply,Product line, 1 operator, 120000-150000 pieces per ... , 2.5 CBMHNYL 800-6 Automatic beating and water supply, Product line, 2 operators, 380000-400000 pieces per ... 650, 2.8CBMHNYL 800-8 Automatic beating and water supply, product line, 3 operators, 580000-600000 pieces per day ... weight: 850 kg, 3 CBM High-qualified School Chalk Making Machine