Piyaporn,
As discussed, rom the attachment;
1. please find out with the hospital if they have health medical check course which meet PTTEPI requested. Get quote for all 3 kinds of age 3545.
2. Please find out with World Travel Service for the visa application for cost and how many days of visa to be granted. We need 3 person as attached passport for the visa grant. Letter of Invitation ( LOI ) attached.