China Hengda Group Co., Ltd -

China Hengda Group Co., Ltd

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ferro silicon
Specification: FeSi75-A,FeSi75-B,FeSi72,FeSi70,FeSi65,FeSi45
Detail: Ferro Silicon is a kind of ferroalloy which is composed of ferrum and silicon. Ferro Silicon used coke, quartz (or silica) as raw material and using electric furnace to made by. Because of silicon and oxygen are easily...


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