オフィシャルサプライヤー

noun

official supplier

A company or organization officially authorized to supply goods or services, often used in contexts like sports events, exhibitions, or corporate partnerships.

• この大たい会かいのオフィシャルサプライヤーは有ゆう名めいなスポーツブランドです。

  The official supplier for this tournament is a famous sports brand.