Do it within reach, avoid displaying the goods too high, and pay special attention to the height of housewives around 160CM, which is convenient for customers to strictly take and choose. Display at the height of flat chest to avoid customers' worry about damage.
We can often see a glass of water at the jewelry counter in the shopping mall. This is because some gems contain a certain amount of water. If the gemstone is left in a dry environment for a long time, the luster of the gemstone will darken after losing water.