Liquid cast iron pretreatment system at steel plant No. 2 (reconstruction of the existing desulfurization station) for Taiyuan Metallurgical Plant. Liquid cast iron pretreatment system at steel plant No. 2 (installation of two desulfurization stations for liquid cast iron pretreatment system for Taiyuan Metallurgical Plant. Development of design and technological documentation for organizing the production of magnesium alloys by the duplex process.