Mr. Chaiyot Nanakhon, Director of Land Acquisition Department on behalf of Mass Rapid Transit Authority of Thailand (MRTA) gave a vase of congratulatory flowers to Rail Technology Research and Development Agency (Public organization) (RTRDA) on the occasion of 4^th establishment anniversary on Monday 14^th July 2025 at 10^th floor, EXAT Expressway Administration Center where Miss Piang-or Loahavilai, RTRDA’s President was a receiver.