China also helped build a refinery, export terminals and the pipeline that transports much of the country's oil up to port Sudan on the North-East coast.

中国还帮助建设了一家炼油厂、数个出口码头和将苏丹石油北输至位于该国东北海岸的苏丹港的输油管道。

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But the north has the pipeline, refinery and the export terminal at Port Sudan on the Red Sea.

BBC: South Sudan in Kenyan oil pipeline deal

So did foreign investment, including a vital deal last year giving a Russian oil producer, Yukos, control of the Mazeikiu oil refinery, Lithuania's biggest export earner.

ECONOMIST: Lithuania has the fastest-growing economy in Europe