The commissioning, which marks a significant development milestone, allows BNU mine to extract coal in readiness for first sale.

Guildford Coal is due to receive final permitting of the coal transport company to deliver first sales from the mine to the coal distribution hub at Ceke, on the China border, the company said.

Guildford Coal is an emerging resource explorer and hold projects in the prime coal bearing regions of Queensland, Australia and Mongolia, Central Asia.

Terra Energy, a unit of Guildford coal in Mongolia, also holds two projects in the coal bearing regions of the South Gobi and Middle Gobi.