... its matching facilities;Refining furnace: nominal volume 40t~150t LF, RH, VD refining furnace and its matching facilities.ReferencesSN.Construction unit ... Yinshan South zone of Laiwu Iron & Steel Co.,Ltd80t2005.0671# RH refining furnace project of Yinshan section steel Co., Ltd of ... Steel Co., Ltd, Thailand4.5MTPA2006.07 Steel Making EAF LF RH VD