Correct introduction letter

[Rainy!]

Could you please check and correct the below mail for me? I have to send this introduction letter to my new customers.

''Dear Sirs,

My name is Nguyen Tuyet Hong (Ms).
From now on, I am in charge of Europe market instead of Ms. Hanh.
It is a great honour to be PIC for your market, I do hope that we support together to make a powerful TOTO.

Yours truly,''

Thank you very much 'n I look forward to hearing from you soon!

[Muraisel]

no Reply ???

[Rainy!]

Why doesnt anyone answer my post? What's happening here? What's happening on this forum?
There're no teachers?
You encourage us to join, to study but noone answers my question.
I'm tired of waiting.