Two years. According to relevant public information, in 2020, the United States forced the closure of the consulate in China, and by June 7, 2022, the forced closure of the consulate in China had been lifted. An embassy is a permanent diplomatic representative office of a country in the capital of a country with diplomatic relations. The embassy represents the interests of the whole country and is fully responsible for bilateral relations. The curator is an ambassador, minister or other diplomat appointed by the sending country. He was appointed by the head of state and performed his duties as the representative of the head of state.