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Tin review: global supply tightening is expected to boost Aaron tin rose to a high of more than 19 months
by：Deyuan
2020-12-25
The international association for the study of tin, said the Burmese tin output is likely to be stable, because of the wa is given priority to with open pit mining activities has now entered the stage of underground mining, and the tin content of underground ore is low.
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