[NAME]

[TITLE]

[ADDRESS]

Dear Sirs,

Re: xxx Product

Further to our telephone conversation yesterday, we are pleased to introduce to you xxx Limited, an Application Service Provider in Information Technology.  We are managed and owned by IT expertise and professionals.  Our [xxx product] which is not only a software providing [xxx function or management], but also enable you to [xxx function or management] such as [xxx, xxx and xxx]. Our [xxx product] is recently awarded [xxx certification] by [xxx Council].

Enclosed please find some information regarding our system and hardware to be installed.  I will call you shortly again to arrange a demonstration to further elaborate how our system can benefit your xxx operation efficiently and effectively without additional cost.  If you have further queries, please feel free to contact me at [phone no].

Thank you for your attention. 

Yours sincerely,
For and on behalf of xxx Limited

[NAME]

[TITLE]