Dung Quat Oil Refinery will carry an overall maintenance from mid July 2011 after two years of its operation.

A contract to this effect was signed between the Binh Son Petrochemical Company under the Vietnam National Oil and Gas Group (Petrovietnam) and its foreign contractors on Mar. 31.

Signatories were Nguyen Hoai Giang, Binh Son General Director and Kim Hyeong Sin, Director of Ubec firm of the Republic of Korea .

Under the contract, worth 25 million USD, the overall maintenance will take place within more than 2 months with the participation of thousands of Vietnamese and foreign experts and workers.

By Mar. 30, the refinery had produced 8.52 million tonnes of petroleum products and sold more than 8.43 million tonnes of products. /.