QGIS-Super_Copier 
QGIS Plugin to choose the fields when copying geometries. The selection of source and destination layers can bring the common fields. Otherwise there is the possibility of a link between two fields or to impose a value.
Installation from github
cd .qgis2/python/plugins/
git clone https://github.com/IDTruke/QGIS-Super_CopierUsing the plugin
- Ensure the plugin is enabled in the Extension menu
- Select the layer with the objects to duplicate
- Go to Vector -> Super_Copier -> Super_Copier
- Select the destination layer in the first dialogue box
- Check the option 'Auto save' if you want the changes to be applied directly from
- Validate
- Check the connection between each field in the second dialog box
- If you want to force a value, fill the fields 'Forced value'