Dear :

Thank you for your interest in [company] and your desire to establish credit with us.

However, based on the reports from our sources of credit information, we can deliver your order only when we receive cash payment.

We are sorry that we cannot satisfy you for the time being, but we are sure you can understand. If we can be of any further service to you, please let us know.

Sincerely yours,

[name]

[title]