Dated

For further development, we hereby appoint XXX as the exclusive distributor of publicity, sales and promotion of all XX brand products; as well as after-sales service in …

[color=red]Dated: xxx to xxx

Authorized representative: (signature)

=====> Is this all right? And is the word “dated” correct here to say how long they are licensed to do this?

Thanks.

I have no idea. You will need to present us with a reasonably full document format.