Glad to learn youre onthe market of ferroalloy products. We are a leading manufacturer of ferro silicon,silicon,SiC and other raw material.Here we have the product :high carbon silicon which can instead of Fesi in steelmaking factory and casting factory and it was test by a japanese factory.Here is the specialization.Si 65.0% min C 15.0% minP 0.05% maxS 0.05% maxSiO2 2.5% maxSize : 10-50mm 90% min Now we have a competive price ,the price of HC-silicon If there are any questions,contact me please.