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ferrou silicon 72

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Китай Ferro кремний завод

Ferro кремний

Ferrosilicon is often used as deoxidizer in steel- making.Ferrosilicon also can be used as alloy elements join agent, which is widely used in low alloy steel, non-ferrous metal, bearing steel, heat-resistant ... Подробнее
2014-05-05 18:19:22
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