With reference to the latest foreign design schemes, a new type of archive storage equipment independently developed in accordance with China's national conditions is very sophisticated in material selection, materials and processes. High-quality cold-rolled steel sheets are used. The strength of the steel in components such as columns, hanging plates, side panels, and chassis exceeds the common standard by more than 20%. It meets or exceeds the highest industry standard in the country. It is one of the highest-quality professional tools for archive storage in China and the best choice for centralized storage of large files.