Hope to hear from you soon.

希望很快收到你的消息。

Hope to hear from you soon.

希望很快收到你的来信。

Hope to hear from you soon we remain.

非常希望能尽快收到您的回复。

We believe the above information will serve your purpose and hope to hear from you soon.

我们相信上述消息将满足贵方需要,并等候回函.