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A fact that cannot be neglected is that with copper concentrate self-sufficiency rate of 20%～25%, China-made copper concentrate is far from satisfying the domestic demand for smelting capacity, and the insufficiency can only be solved by means of import. TNMG faces the similar problems.
A fact that can not be neglected is that with copper concentrate self-sufficiency rate of 20% ~ 25%, China-made copper concentrate is far from satisfying domestic demand for smelting capacity, and the insufficiency can only be solved by means of import. TNMG faces the similar problems.