Partner Functions - Vendor

Hi Friends,

Bussines senario : i am procuring material from New Delhi. my endor having plants in haryana and Chennai.

i rasie PO for New delhi (adres) in PO. but goods supplied from Haryana.

vendor 1 : new delhi

Vendor 2 : haryana

In po Vendor 1 maintained.

In MIGO i need to be display Goods supplied addres. Vendor 2 : haryana

How to crate partner functions. and in vendor master data how l