1. wholesale market: wholesale markets usually provide sales of bulk commodities, and prepared dishes are one of them. In the wholesale market, the price is relatively low because of the large purchase volume. However, it should be noted that the quality of goods in the wholesale market may be uneven, so attention should be paid to selection.

2. Factory direct sales: Some prefabricated vegetable manufacturers also provide direct sales services, selling prefabricated vegetables through telephone, online stores and other channels. Because the intermediate link is omitted, the price is relatively low.

3. Online shopping: Some e-commerce platforms also provide sales services for prefabricated dishes, and the price may be cheaper than that of physical stores. However, it should be noted that regular businesses should be chosen to avoid buying fake and shoddy products.