1. Different brands: Chow Tai Fook is a jewelry company in Hong Kong, specializing in the jewelry, jade and gold ornaments business of Chow Tai Fook brand. Chow Tai Fook is a famous jewelry brand in China, which has its own raw material procurement, production design and retail services, and is a comprehensive management enterprise. Yayi Gold is a gold jewelry store in Shanghai Yuyuan Mall.

2. Different sales products: Chow Tai Fook mainly sells jewelry products with its own well-known brands. Has its own design team and production factory, producing all kinds of accessories. The gold jewelry sold by Yayi Gold is mainly made by Yayi Jindian.

3. Different prices: In some cases, the price of Chow Tai Fook's products is relatively high, because it is a well-known brand with high requirements in design and production. In contrast, the product price of Yayi Gold is relatively low, which is more suitable for some consumers with limited budget.