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henan guorui metallurgical refractories co., ltd

All Products >> ferro silicon

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ferro silicon
ferro silicon
Specification: Fesi 65 70 72 75
Detail: Ferro Silicon is a kind of ferroalloy which is composed of ferrum and silicon. Ferro Silicon uses coke, quartz (or silica) as raw materials and is made by electric furnace. Because silicon and oxygen are easily compound into S...
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