BOM Component Classification

Dear All ,

Have below requirement

Single Raw material from multiple vendor so in the BOM component classification vendor assigned.

but problem is during MRP run system create purchase requisition with out vendor .

so is there any way through that we can get vendor in purchase req. during MRP from bill of material classification.

Raw Material     Vendor    Product

A                         X               A1               US Market

A                         Y               A2               Domestic

Y      Vendor is only approved for domestic market.

Regards,

Murari Shah