as per the naming convenstion I suppose these are Multiproviders/Multicubes
hence for this Key figure to become part of your multiprovider it needs to be part of one of the Infoproviders covered in this Multiprovider
Once it is available in any of the base infoproviders just drag it to multiprovider Key figure area in change mode
If this only infocube and you just need to add the key figure to new Infocube then simply use the 'Infoobject direct Input' option
if you want the values of this Key figure to be available in new cube then you can create a transformation from ZHCM_MC01 to ZHCM_MC06 with appropriate logic as per business requirement. Or else you can build a multiprovider on top of these cubes if you want to see values only in queries.
Hope this helps
-swati.