Dear Sir/Madam,
We have gone through your project requirements and must say, we're the best suitable provider for this job. Our team has great experience of developing such a large & complex applications.
You may see our bid higher than others, but it is very realistic & analysed quote. Please don't compromise with quality and expertise.
Please see PMB for more details.
Shall wait for your positive response ...
Best Regards,
Ashok