虽然我们没有很深厚的感情，但是我会珍惜我们的友谊 用英语怎么说？

Though we're not deeply attached to each other, I will always cherish our friendship.

Though we're not deeply attached to each other emotionally, I will always value our friendship.
或者：
Although we don't have very deep feelings towards each other, I will always value / treasure the friendship between us .