İran İthalat İhracatı Teklifi İran İthalatçıları İçin Teklifler

I have a silica mine and I can supply the silica you need. The dimensions of the silica required for the production of ferro-silica should be of the quartzite type and have a granulation from 3 cm to 12 cm, with a purity of silica above 97% and aluminum below 1%.