1.MOQ:20MT 2.Supply quantity;1000mt/month 3.reduce the cost 4.mill test offered 5.4. ISO & SGS/CIQ/BV quality 1. Application Silicon slag is a by-product from the manufacturer of silicon metal, it is a kind of mixture which contains the main content Silicon (30%~70%) and other components such as C, S, P, Al, Fe. It is a good substitute for FeSi in steel making, which has advantage in lowing the ...