InfoPath Dev

I built a drop down list box in my infopath with five value(number),so, I want to reuse this dropdown list box with a different name in my infopath.

how to do this work?

I use control template part but In each case control have template section,

please help me 

Create an XML file that you can use for a secondary data source for all your drop downs that need the same values. Sample attached (right click the link in the header, save locally, right click the saved file and select "Design" to open in design mode).