Supply User Manual ENG->Supply Configurations->2.2 LU-SU1102:Partners(customers and suppliers)-> E. LU-SU1102: Supplier catalogues
E. LU-SU1102: Supplier catalogues
You can see how to create a supplier catalogue in section :
Supply User Manual ENG -> Products -> 3.4 LU-SU2103: Products in Supplier Catalogues.