Thanking you (in advance) for your cooperation on this matter.

(预先)感谢您在此事上的合作。

youdao

Thanking you in advance for your support and cooperation.

先提前感谢你们的支持与配合。

youdao

Thanking you in advance for your support and cooperation.

先提前感谢你们的支持与配合。

youdao