Buyer-Supplier Relationship for the Kraljic’s Portfolio Model and What Products Are More Suitable for Online Auctions

Procurement is an integral part of a corporation or organization, different corporation or organization have different reliance on procurement. Therefore, when suppliers purchase products, they can be roughly divided into four types of products, which are leverage products, strategic products, routine products and bottleneck products. In this paper, the author discusses the different buyer-seller relationships and purchasing strategies when buyers purchase the above four types of products.