Recently, a new ductile iron casting process developed by experts won the second prize of the National Science and Technology Progress Award in 2024. This technology achieves a dual improvement in casting quality and production efficiency by optimizing the molten iron treatment process and high-precision mold design, while significantly reducing energy consumption and exhaust emissions. Experts said that this innovative achievement not only promoted the green transformation of my country's foundry industry, but also laid a solid foundation for the development of ductile iron in high-end application fields. The successful application of this technology will have a profound impact on many fields such as municipal administration, industry and national defense.