Nelson L. Dayanghirang Davao Oriental | 1st District House of Representatives, Quezon City Room: SW-114 Phone: 8931-5210 Direct:7215 Principal Authored Bills more Co-Authored Bills more Committees more Nelson L. Dayanghirang Davao Oriental | 1st District House of Representatives, Quezon City Room: SW-114 Phone: 8931-5210 Direct:7215 Principal Authored Bills more Co-Authored Bills more Committees more