Rio was the lead negotiator for the mining companies .

力拓是代表矿业公司利益的首席谈判代表。

International mining companies hope to establish operations there soon .

跨国采矿公司希望尽快在那里开展业务。

On august 3rd a new national mining agency will begin accepting requests .

8月3日，新成立的国家矿务处将开始受理申请。

And the mining firms could help .

那些矿业公司也能助以一臂之力。

He thinks mining will remain a niche business .

他认为矿业仍然是利基业务。