It's really nice to have a friend like you.(比较口语)
I'm really appreciate/grateful to have a friend like you.
I'm so cherrish to have such a friend like you.
i'm glad i have a friend like you .!!
这样比较口语化!
I'm so happy to have such a frined as you.
I'm so glad that I have such a friend like you
i`m glad to own you as a friend