Өмнөд Африкт уул уурхайн бүтээгдэхүүн нийлүүлэгчид
Ханган нийлүүлэгчид . consult. · HONG KONG (Reuters Breakingviews) – Rio Tinto has sounded a copper warning from the Mongolian steppe. The $104 billion mining giant says its flagship Oyu Tolgoi expansion in the country''s south will be up to 30 months late, and could cost as much as a third more than planned ...