- cooperation ((with; in doing))
提携する 〔手を組む〕join hands, tie up ((with))；〔協力する〕cooperate ((with))
- 「We secured the technical cooperation of [We entered into a technical tie-up with] a pharmaceutical company in the U.S.
- We hope to form 「an affiliation [ties] with your company.／We hope to obtain the cooperation of your company.
- 提携企業an affiliated business
- 提携先a business partner