锰系铁合金
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manganese base ferroalloy industry 锰系铁合金工业
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At present , the company has a more fixed channel of manganese ore purchasing and ferroalloy supplying , thus it might guarantee the company stable goods supplying and selling .
现公司已有较为固定的锰矿进货源和铁合金销售渠道，从而可以保证了公司稳定的供货和销售。
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