Is there any free cleaning of the Zhou Dafu ring?

Have.
The user can also use water for simple cleaning. When cleaning, the effect of cleaning with flowing water will be better. This is because the flowing water can flush some dirt on the surface of the diamond ring and does not cause any damage to the diamond ring. It should be noted that in the process of rings invasion, do not contact some chemicals, such as cosmetics, shampoo and other substances, so that our diamond ring can keep shining.
Pucting information:
Note:
1. Avoid placing a ring with cosmetics in case of cosmetics, glory will weaken, especially diamond rings, which are very easy to stick oil cosmetics. More strictly separate.
2. Avoid wearing laundry and bathing: Pearl is afraid of acidic substances and cannot be exposed to detergent.
3. Avoid chemical gas and pollution environment, such as all jewelry to avoid sulfur, emeralds avoid pesticides, and other spray.
4. Avoid wearing exercise and dry work. For example, sweat contains fatty acids, urea and other erosion effects on pearls, so there is a saying in Zhu Lingbei in Lingnan. The north is cold, sweaty, and should be worn.
5, avoid multiple pieces of jewelry together. For example, hard diamonds will easily scratch other gems, so they are hidden in their own after use.
Reference information Source: Baidu Encyclopedia-Ring

Yes, you can just take the ring without the invoice, because the ring itself has the sign of Zhou Dafu ...