Introduction Letter About Dental Hygienists Please Help Me With An Introduction Letter?

Please help me with an introduction letter? - introduction letter about dental hygienists

Hello, I'm on a letter of recommendation for my work, I have to make information, including:
The company is founded in the last 4 years.
And training more than 20 years.
We keep all our appointmens time.
We go in person to their homes to serve them better.
How to Place together, so proffecional.
I work instead of a granite countertop.
Please help me, I must stop now.