... price 2.Firm structure 3.Electricity Chalk Making Machine HNYL 800-1:Beating with manpower.1 ... 800-2 Automatic beating and water supply,Product line, 1 operator, 120000-150000 pieces per day. ... 800-6 Automatic beating and water supply, Product line, 2 operators, 380000-400000 pieces per day.Packing ... 800-8 Automatic beating and water supply, product line, 3 operators, 580000-600000 pieces per day.Packing ...