_____________[Saleman name]
____________ [Address]
__________[date]
Dear ____ [Saleman name],
Congratulations for doing such a fine sale effort. We at ___________ [name of company] now have an annual sales volume of ____ [amount]. We know that your efforts in securing the ________ [saleman name] account has definitely helped us continue our success.
With best regards,
__________ [Your name]
___________[Your title / Designation]