こうばいぶ
school store; co-op; purchasing department
Noun
購買部こうばいぶの者ものに会あわれたほうがいいと思おもいます。
I think you should probably see someone from Purchasing.
購買部こうばいぶにとって重要じゅうような人材じんざいになられると思おもいます。
She will be an asset to the Purchasing Department.