The Thi Vai LNG Terminal in the Ba Ria Vung Tau province will supply two gas-fired power plants which are being built in neighbouring Dong Nai province.
The cargo is sought on a delivered ex-ship (DES) basis for delivery between June 1 to July 31, added the sources.
The tender will close on May 11.
(Reporting by Emily Chow in Singapore and Khanh Vu in Hanoi;
Editing by Christopher Cushing)