1. Cleaning: Regularly clean the surface of the edged basin with mild detergent or soapy water. Avoid using cleaning agents with acidic or corrosive ingredients to prevent damage to the surface.

2. Avoid impacts: Prevent knocking or hitting heavy objects on the edged basin to avoid scratches or damages to the surface.

3. Prevent leaks: Check the faucets and drainage system regularly for leaks to ensure that water does not drip around the basin, preventing water damage and stains.

4. Avoid chemicals: Refrain from pouring strong acids, alkaline substances, or corrosive chemicals directly into the edged basin, as this may harm its surface.

5. Prevent contact with hot objects: Avoid placing hot pots, kettles, or other high-temperature items directly on the edged basin to prevent surface damage.

6. Regular maintenance: Periodically inspect the edged basin for any issues such as damage, cracks, or leaks. If any problems are found, promptly repair or replace as needed.

7. Use a soft cloth: Wipe the edged basin with a soft cloth or sponge, avoiding the use of abrasive cleaning tools to prevent surface scratches.

8. Prevent staining: Avoid prolonged exposure of the edged basin surface to dyes or colored liquids to prevent pigment deposition or staining.

9. Avoid makeup residues: After using cosmetics, clean the edged basin promptly to prevent makeup residues from causing surface stains.

In summary, regular, gentle, and careful maintenance of your edged basin is key to preserving its appearance and functionality. Following the above advice should help keep your sink in good condition and extend its lifespan."