First of all, you should make sure that your jewelry will not fall off naturally when you wear it. Even you don't have firm confidence. How do you convince your customers of your products? Moreover, the phenomenon of falling stones during wearing is basically the fall of auxiliary stones, which can be made up at this later stage and belongs to normal after-sales service. If the main stone falls off, customers will often have problems such as claw hooks and bumps when wearing it. That's why we need regular maintenance.