Six-station filter tapping machine 1.Six working station. 2.Automatic and convenient 3.Good in price Six-station air cleaner tapping machine1.Screw ... 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 ...