1. Attract customers: As a well-known jewelry brand, Zhou Dasheng's promotional activities can attract more customers' attention and purchase. As a striking promotion method, giving away quilts can increase customers' purchase intention and loyalty.

2. Increase sales: By giving away quilts as a means of promotion, Zhou Dasheng can stimulate customers' desire to buy, thus increasing sales. At the same time, this promotion method can also enhance brand awareness and further increase sales.

3. Enhance brand image: Zhou Dasheng can show its corporate image of caring for customers and paying attention to customer experience through the promotion activities of sending quilts, so as to increase customers' trust and loyalty to the brand.