I appreciate the opportunity to submit a bid to do business with your company. You have a solid reputation in the (name) field and I look forward to working with you.
I'm enclosing the requested bid. Please review and let me know if you have any questions. I'm... Dear (recipient's name),
I appreciate the opportunity to submit a bid to do business with your company. You have a solid reputation in the (name) field and I look forward to working with you.
I'm enclosing the requested bid. Please review and let me know if you have any questions. I'm confident you'll find our prices to be reasonable and our services to be the best in the industry.
Sincerely,
(your name)