Dear Manager:
We would like to introduce our company and products, with the hope that we may work together in future .
This is Gavin from China which is specializing in bags and backpack for many years.
We'd like to introuduce this item for you.
Should any of these items be of interest to you, please let us know.
We will be happy to give you a quotation upon receipt of your detailed requirements.
We look forward to hearing from you soon.
Best Regards,
Gavin