In which store did you buy Huangcheng jewelry? You can go to that store and exchange grams and handling fees for money. General brands have this service. Chow Tai Fook can't change. If you lose all your money and forget where to buy it, go to the jewelry shop and melt it and make it into a new style. There are various styles to choose from, and there is a little handling fee. If there is not enough gold, you need to make up some gold money appropriately. The labor cost is only about 20 grams.