귀사의 관심과 협조
귀사의 관심과 협조에 서신으로 나마 인사를 대신드립니다.

Instead of greeting, we, throught the letter, would like to cooperate with your company.

Is this correct?

Thank you a lot!

Question

귀사의 관심과  협조
귀사의 관심과 협조에 서신으로 나마  인사를  대신드립니다.

Instead of greeting, we, throught the letter, would like to cooperate with your company.

Is this correct?

Thank you a lot!

Answer

"귀사의 관심과 협조에 서신으로 나마 인사를 대신드립니다."
=> 귀사의 관심과 협조에 서신으로나마 인사를 대신 드립니다. 
=> We would like to express, albeit in a letter, our gratitude for your interest and support. (faithful to the original)
=> We would like to express our gratitude for the interest and support you have shown us. (more likely in real world)

- 귀사의 관심과 협조에: for the interest and support you have shown us.
- 서신으로나마: albeit in a letter(even if it is only in a letter and not a full face-to-face meeting).
- 인사를 드립니다: we would like to express our gratitude; we thank you.

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