Contract for a cast iron pretreatment system at Steel Plant No. 2 (reconstruction of an existing desulfurization station). The contract for the liquid cast iron pretreatment system at Steel Plant No. 2 (installation of two desulfurization stations for the cast iron pretreatment system). The contract for the Desulphurization system of liquid cast iron with granular magnesium (for the Tianjin Metallurgical Plant).