*Availability check for Subcontracting*

Dear All,

I am using subcontracting Scenario for semifinished product. For this i am making purchase order for this material But How to check availability of Bom component which is used in P.O. for subcontractor. Because it very hectic to check every material for bom in MMBE. If any solution pls revert back with Proper Solution. Thanks in advance.

Regards

Atul