What should be the format of the contact letter for the financial aspects of the customer?

such as reconciliation letter or change letter

Contact letter or accounting letter

Thank you for your company's long-term support of my company, now my company to your company to check the supply and invoicing before June 30, 2008, the total amount of supply and tax included in the amount of $: ¥ yuan, the amount of invoiced tax included in the amount of $: ¥ yuan, my company should be payable to your company (in yuan) ¥: ¥ yuan, capitals:

If you confirm, please stamp, has been my company's financial accounts, thank you for your company's cooperation.

The name of the company

July 31, 2008