Supply Of Demulsifiers Used For Breaking Crude Oil-Water Emulsion Of Rong, Nam Rong Doi Moi And Ca Tam Oil Fields – Block 09-1; Nrdm (50% Block 09-1 + 50% Block 09-3); Block 09-3/12 (Vt-1285/26-Kt), Email: Quynhvn.Hq@Vietsov.Com.Vn