Friday July 31, 2020, Mr.Montchai Wivattanat, Chief Executive of the PPAO leaded the Deputy Chief Executive of the PPAO, the PPAO council members and the Chief Administrator of the PPAO jointly the ceremony of “The Commemoration Gate project honoring His Majesty the the King’s Coronation” at highway No.11, Tabyaichiang sub-district, Prompiram district, Phitsanulok province