Hot metal pre-treatment, Converter, EAF, LF, VD In aspect of steel making, based ... mechanical stirring desulphurization technology on 65t~150t hot metal ladle;Converter: nominal volume 25t~150t and its matching facilities ... of Laiwu Iron & Steel Co.,Ltd1.35MTPA2006.12850t EAF waste heat utilization project of Special steel plant of Laiwu ... Co., Ltd, Thailand4.5MTPA2006.07 Steel Making EAF LF RH VD