reply an email

Thank you for your reply and understanding about regarding our concerns. We comprehend understand that you would like to extend expand and work with different institutions in China, which is a good way to facilitate the develpment of your business. As Regarding to the specifics of the collabrative program, I would like to be clear clarify: do if you mean they are different, i.e., you develop different programs/workshops for different instituions in China? That may help to maintain the uniqueness of each program.

Again, we appreciate for you, President XX and VP XX's understanding. Also, I look forward to seeing you in Nanjing soon .=)     (You might want to leave the smiley face out, isn't really appropriate for business email)

Yours faithfully truly,
XXX

Replying/Responding to an email

Thank you for your reply, and for understanding about our concerns. We comprehend appreciate/can see that you would like to extend?/meet and work with different institutions in China, which is a good way to facilitate the develpment of your business. As regardsing to the specific collaborative program, I would like to be clear if whether you mean they are different - i.e. you develop different programs/workshops for different institutions in China? That may help to maintain the uniqueness of each program. 

Again, we appreciate for you President XX and VP XX, we appreciate for your understanding. Also, I look forward to seeing you in Nanjing soon=)

Yours faithfully
XXX