How to prepare visa materials for parents to visit relatives in the United States

The materials in the United States are generally as follows: the materials in China are generally as follows: Note: American visiting relatives visas are issued to applicants who are engaged in visiting relatives and friends and medical activities in the United States, and the holders of American visiting relatives and friends visas cannot be employed in the United States. Applicants must be able to prove that their intention is to enter the United States temporarily just to visit relatives and friends. Applicants must also prove that they have sufficient funds to pay for their stay in the United States, and that they have strong social, economic and other ties in their home country, which can force them to return as scheduled after a short and legal visit to the United States.