"A prolonged embargo will have negative impact on earnings, cash flow and sentiment."
Alunorte Mining News
China this year has been exporting unusually high volumes of alumina, a substance used to make aluminium.
No one will be taking alumina for granted any more.
Norsk Hydro said on Tuesday it has won permits from Brazilian authorities to restart operations at half capacity at its Alunorte alumina refinery.
Norsk Hydro has won permits from Brazilian authorities to restart half the capacity of its Alunorte, the world's largest alumina refinery.
Aluminum prices jumped in April after the U.S. announced sanctions on Rusal, the top supplier outside of China.
Alumina is having a turbulent year.