Hot metal pre-treatment, Converter, EAF, LF, VD In aspect of steel making, based on the new ... and its matching facilities;Refining furnace: nominal volume 40t~150t LF, RH, VD refining furnace and its matching facilities.ReferencesSN.Construction ... Integrated Steel Co., Ltd, Thailand4.5MTPA2006.07 Steel Making EAF LF RH VD