The following fields can be imported/exported with the Pickware Product-Supplier Assignments profile:
articleNumber (required) - the product order number
supplierArticleNumber - the supplier's product number
articleName - the name of the product
supplierNumber - unique number that you assign to the supplier
defaultSupplier - specify whether this is the default supplier: y for yes or n for no
purchasePrice - the purchase price of the product (corresponds to the Price field under Edit supplier → Product assignment)
orderAmount - the default order quantity of the product
minimumOrderAmount - the minimum order quantity of the product
packingUnit - the packaging size of the product
The import/export of the product-supplier assignment has the following format:

