With gold prices climbing, jewelry stores in China are getting creative to attract customers. In Shenzhen, a gold store has introduced a new concept of blind boxes, each containing a unique piece of jewelry shaped like mahjong tiles. The set features six different styles, each weighing 0.4 grams and priced around 70 U.S. dollars. This innovative product offering aims to entice buyers with the excitement of surprise and variety, tapping into the growing trend of customizable jewelry.