Dear Sir / Madam,
It is glad to write to you with keen hope to open a business relation ship with you.

Yitong Filter is one of the best professional company in develop and manufacture in the filter cartridge.
Our product enjoy high reputation in our clients, such as Titanium filter cartridge, High flow rate filter cartridge, Stainless steel sintered filter cartridge as well as kinds of filter housing.

If you are interested in our products, please contact us at any time.
Hope to hear good news from you.
We thank you very much for your attention and look forward to hearing from you soon.

Sincerely Yours
Frank Lu