GANSU PROVIDENCE METALLURGY CO.,LTD. IS SPECIAL IN FERRO SILION FOR MANY YEARS,SHE CAN SUPPLY VARIETY QUALITY OF FERRO SILICON FOR STEEL MILLS,FOUNDRIES AND TRADERS,THE SPECS AS FLW:
1 FERRO SILICON:SI 75% MIN., AL 2.0% MAX.(AL 1.5% MAX.,AL 1.0% MAX.), C 0.2% MAX., S 0.02% MAX., P 0.04% MAX.   2 LOW ALUMINUM FERRO SILICON:SI 75% MIN.; AL 0.5% MAX.(AL 0.3% MAX.,AL 0.1% MAX.);C 0.1% MAX.;S 0.02% MAX.; P 0.03% MAX.,CA 1.0% MAX.   3 FESI 72, FESI 65 ,SILICON SLAG AND SILICON GRANULE.SIZE AND PACKING CAN BE PROVIDED AS PER CUSTOMERS REQUIREMENT.