Cold storage (English: Cold Store) is a kind of refrigeration equipment. Cold storage refers to the constant temperature and humidity storage equipment for food, liquid, chemicals, medicines, vaccines, scientific experiments and other items, which is created by artificial means in an environment different from outdoor temperature or humidity. Cold storage is usually located near the port of transport or the place of origin. Compared with refrigerators, cold storage has a larger refrigeration area and the same refrigeration principle.

Baidu promotion generally refers to Baidu marketing (brand). Baidu marketing is a channel for enterprise brand promotion in the era of big data, which promotes marketing for enterprises and solves the problem of obtaining customers. Baidu marketing relies on Baidu search engine to help users in need find suitable products and services faster, and at the same time help enterprises acquire potential customers. Baidu marketing covers all parts of the country, serving enterprises at all stages of the whole industry, and enterprises achieve customer growth through Baidu marketing. At the 14th Golden Reward International Creative Festival, Baidu Marketing won ten awards with the help of AI, big data and other technical capabilities, and Baidu Marketing AI technology played a role in brand marketing. Ding Canbiao, general manager of Baidu's commercial products, said that based on the brand-new marketing positioning of "growth engine", Baidu has continuously improved AI and ecological infrastructure, and at the same time greatly enhanced its middle-level business capabilities, helping brands achieve stronger user insight, multi-scene user connection and more efficient user incentives, which truly serve the most stable growth and the most lasting commercial operation of the brand.