PetroVietnam Gas (GAS.HM), opens new tab said on Wednesday it has signed a contract with QatarEnergy to buy 70,000 metric tons of liquefied natural gas for delivery on April 12-13.

The cargo will be used for "industrial production and to ensure national energy security", it said in a statement.

PetroVietam Gas, the sole authorised LNG importer in the country, said the cargo would be shipped to its Thi Vai LNG terminal in southern Vietnam.