Slit steel strip refers to narrow strip steel products obtained by cutting wide steel strips (such as hot-rolled steel strips, cold-rolled steel strips, galvanized steel strips, color-coated steel strips, etc.) into several narrow strips along the length direction through the slitting process. It is an important link in steel deep processing. The purpose of this processing is to adapt standard wide steel coils to the needs of downstream industries for different width specifications, featuring both flexibility and practicality