Dear. Mr.Chatchai B.
This is the AVANT instructor, Park Jinsuk.
Thank you for your hospitality on visit to your company.
I have had a profitable and experienced business tour thanks to your cooperation.
The short time training that i have been working with you and i really enjoyed.
I hope that the class helps your job.
I would like to repay to you on the hospitality i received from you of an opportunity is given to me.
Thank you for your hospitality once again, and i hope your constant advance.