COMVAL TO DAVAO DE ORO. Department of Trade and Industry (DTI) Compostela Valley Provincial Director Lucky Siegfred Balleque bares the proposed change of name of Compostela Valley Province to Davao de Oro, a move initiated by ComVal Province Governor Tyron Uy. Balleque made the disclosure during yesterday’s DTI 11 presentation of the agency’s 2016 accomplishments and next year’s plans. LEAN DAVAL JR.