Tokyo, Japan October 30, 2017 President Rodrigo Roa Duterte witnessed the signing of 18 letters of intent (LOI) between Philippine officials and Japanese businessmen at the Imperial Hotel in Tokyo during his official visit to Japan. Departments of Trade and Industry (DTI) Secretary Ramon Lopez, Energy (DOE) Secretary Alfonso Cusi, Finance (DOF) Secretary Carlos Dominguez, continue reading : Witnessing of Exchange of Business Agreements