2021-8-2 · trisensa mineral utama нүүрсний уурхайн бутлуур; trisensa mineral utama нүүрсний уурхайн бутлуур. Pt Delma Mining Corporation. Pt Delma Mining Corporation. Legal Career : 20140803. The growth of a country''''s economy can''''t be separated by the availability and quality of transport infrastructure system.