1. Quality assurance: Century Yuan is a big brand, and its gold ornaments have undergone strict quality inspection to ensure purity and brightness. Moreover, its jewelry store has national certification and appraisal guarantee, which makes consumers feel more at ease when buying.

2. Unique style: Century Yuan has unique creativity and style in design, and its gold ornaments have various styles, both traditional and modern, which can meet the needs of different consumers.

3. The price is close to the people: the price of Millennium gold ornaments is relatively reasonable, which is in line with the budget of most people, making more people buy high-quality gold ornaments.

4. Good after-sales service: Century Yuan provides perfect after-sales service such as maintenance, which increases consumers' sense of purchase security.

5. Good corporate image: Century Yuan has a good image in the public, and its concept of honest management and service first has won the trust and praise of consumers.

To sum up, quality assurance, unique style, close price, good after-sales service and good corporate image are the reasons for its popularity.