... 2.Diameter38-150mm or 90-450mm Spiral Filter Core Making Machine 1.Capacity1.2-1.6m/min 2.Diameter38 ... -150mm or 90-450mm Spiral Filter Core Making Machine 1.Capacity1.2-1.6m/min 2.Diameter38 ... ,two factory and one 4-floor parts depot.Machine tool: 2 NC centers,2 NC lathe,3 ... cylindrical grinder,2 Grinding machine,6 Wire Cutting machine,20 common lathes,6 drilling machine and so on.Monthly ...