Hi Paris,
As suggested by expert Rupesh you can use the STO process between two plants
by creating the Stock transfer purchase order from the receiving plant to supplying plant.
against that STO PO supplying plant will do the goods issue through 351 movement
then receiving plant can be able to do the 101 movement with reference to the same STO PO
Assumption:
Item category U has to maintain in the Stock transfer PO
Through MRP :
Create a Purchase info record in receiving plant by putting the Vendor code as a supplying plant
Assign the same vendor code in Source list by maintain the MRP Relevant
Run the MRP in receiving plant system will generate the PR convert to PO simultaneously system has generated the ORD DS proposal in the supplying plant
maintain the procurement type as E in the supplying plant and make the production then issue the component against the ORD DS (ST PO) through 351 movement
Regards,
Venkatesh.