... rolling Machine is a tri-roller semiautomatic tank-maker which is designed to round body of tank after the corner is cut off ... office building,two factory and one 4-floor parts depot.Machine tool: 2 NC centers,2 NC lathe,3 universal borers ... ,1 NC cylindrical grinder,2 Grinding machine,6 Wire Cutting machine,20 common lathes,6 drilling machine and so on.Monthly output capacity ...