Mr. Pattanaphong Phongsupatsamit, Deputy Governor (Administration) on behalf of Mass Rapid Transit Authority of Thailand (MRTA) participates in H.M. the King’s birthday ceremony of 2023 on Friday 28 July 2023 at Sahathai Samakom Pavilion, Grand Palace where Mr. Chayatan Promsorn, Permanent Secretary of Transport led executives of organizations under to participate.