The details you've outlined are indeed crucial aspects of ensuring that a safe meets stringent safety standards, particularly under the Chinese National Standard (3C certification). This certification ensures that the product meets certain minimum safety requirements, promoting consumer safety and quality control. Here's a breakdown of the points you've mentioned: 1. **Steel Thickness**: The door plate of a safe being at least 8mm to 10mm thick is important because it provides substantial resistance against forced entry attempts. Thicker steel plates are harder to penetrate with tools or explosives, enhancing the security of valuables stored within. 2. **Box Thickness**: Similarly, the box or body of the safe needing to be at least 6mm thick contributes to its overall structural integrity. This thickness helps in resisting deformation under pressure and keeps the contents secure. 3. **Key Parts of the Lock and Handles**: The use of an anti-dril…