Dear Khun.Worapon Soman 
Consequent to the review of your performance during your probation by Alfa Laval, we have the pleasure in informing you that, your services are being confirmed as Accountant with effect from 16th January 2014
All the other terms and conditions as detailed in your appointment letter remain unchanged.
We look forward to your valuable contributions and wish you all the very best for a rewarding career with the organization.