1, the United States is the largest economy in the world, with strong scientific and technological innovation ability and high quality products and services, which can meet the needs of China's economic development and the improvement of people's living standards.
2. The United States is an important source of foreign investment in China, and American investment enterprises in China need to import some raw materials, spare parts, equipment and technology from the United States to support their production and operation in China.
3. The United States is an important source of copyright introduction in China, and China needs to pay a large amount of intellectual property royalties to the United States, such as movies, music, software and other copyrights.
4. The United States is an important tourist destination in China, and China tourists need to buy American tourist services, such as air tickets, accommodation, catering and entertainment.
Of course, Sino-US trade relations are also affected by many factors, such as the economic structure of the two countries, market demand, exchange rate changes, trade policies and so on. In recent years, due to unilateralism and trade protectionism, the U.S. government has taken a series of unfair and unreasonable measures against China, which has led to escalating trade frictions between China and the United States and seriously damaged bilateral economic and trade cooperation.