Can the US visa invitation letter be in Chinese?

No. According to the official website of the U.S. Embassy and Consulates in China, international students go to a special window when applying for a visa and must speak English. The U.S. visa invitation letter cannot be in Chinese. The United States of America, referred to as the United States, has the capital Washington. Located in the middle of North America, it borders Canada to the north, the Gulf of Mexico to the south, the Pacific Ocean to the west, and the Atlantic Ocean to the east. Most areas have a continental climate, and the southern part has a subtropical climate. The terrain is generally higher in the west and lower in the east. It is rich in natural resources, and its total proven reserves of mineral resources rank first in the world.