Answer:supplier partnerships
Explanation:supplier partnership is a commitment over an extended time to work together to the mutual benefit of both parties, sharing relevant information and the risks and rewards of the relationship.
In quality control, extended relationship between buyers and sellers based on confidence, credibility, and mutual benefit. The buyer, on its part, provides long-term contracts and assurance of only a small number of competing suppliers. In reciprocation, the seller implements customer's suggestions and commits to continuous improvement in quality of product and delivery.