Sea sand iron ore is a kind of cheaper ore, using this ore as sintering material can decrease production cost.

海砂是一种价格比较低廉的含铁矿物，作为烧结原料有利于降低烧结矿的生产成本。

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Sea sand iron ore is a kind of cheaper ore, using this ore as sintering material can decrease production cost.

海砂是一种价格比较低廉的含铁矿物，作为烧结原料有利于降低烧结矿的生产成本。

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