When did the renovation in 2021 begin?

The 21st year of rectification refers to the start of July 28, 2021. On July 28, 2021, the National Anti-Crime Office’s first normalization of anti-crimes and crime eradication and rectification promotion meeting in the four major industry areas was held, requiring a one-year focus to comprehensively promote information networks, natural resources, transportation, and engineering construction. Rectification of large industry areas. Remediation refers to the act or process of managing, rectifying, and improving a certain thing, area, problem, etc. It includes taking various measures and actions to solve existing problems, improve the situation, and improve the overall quality or effect.