【正文】
s in USA in(your scheduled time).My parents have been US for()times and each time they returned to China on want to invite them to join us again this summer(or your scheduled time)so that they can spend some time with their grand , summer is the best season in Chicago(or give another reason).My parents will stay with me at the above address and I will cover their expenses including the round trip air fare, room and board, and the travel expenses during their find attached supporting documents including: of my passport Copy of my permanent resident card(front and back)My recent three months’ pay check stubs Bank statements Form I134(affidavit of Support)I have purchased round trip airline tickets for will leave Shanghai(or your city)on(date)(UA836 or your actual flight number)and return to China on(date)(UA835 or your actual flight number)(please see the attached confirmation letter from United Airline or your actual airline).I will guaranty that they will not unlawfully stay in the US after the help in issuing B2 visa for them would be greatly do not hesitate to contact me if you have any further can be reached by phone(your home phone): or (your address)Best regards,Your name and signature