1, jewelry industry practice: in the jewelry industry, depreciation is a common practice, especially precious metals such as gold and platinum. According to industry practice, the depreciation rate of jewelry is usually between 10%-30%, so the depreciation rate of Chow Tai Sang Jewelry 10% is in line with industry standards.

2. Ensure product quality: As a well-known jewelry brand, it is necessary for Zhou Dasheng to devalue old jewelry to maintain its product quality and value. Depreciation can ensure that the jewelry purchased by consumers is the latest and the quality is the highest.

3. Consumer benefits: From the consumer's point of view, although depreciation will reduce the initial purchase value of jewelry, it will also provide consumers with opportunities to replace new jewelry and guarantee the rights and interests of consumers. The depreciation policy of Chow Tai Sang Jewellery provides consumers with the opportunity to trade in the old for the new, so that consumers can replace the new jewellery according to their own preferences and needs.