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... tion, and the demand for steel ranked first in the world. It needed to consume a lot of steel every year to meet the needs of its own citizens.
Although the iron ore reserves in the mainland ranks fourth in the world, the quality of iron ore is not good and there are many impurities.
The cost of refining the iron ore mined by oneself to a qualified level is very high, which is much higher than the iron ore directly imported from abroad.
Therefore, most of the steel in the ma ...
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