1.we are producer and exporter of Iron sulphide 2.we can provide all kinds of particle size,packing 3.S42-48% FE36-45% Foshan pyrite mineral materials company supply various specification pyrite ore, such as Iron Pyrite, ferrous sulfid , Iron Sulfide , Iron sulphide, Iron sulphide ,our good quality Iron sulphide as fillers used in grinding wheels/ abrasive tools; it effectively lowers the ...