The invitation is also very simple. Mainly write your name. Now invite your relatives (names) to visit relatives in China, make a general itinerary in China and where to live. And who will bear the expenses of food, clothing, housing, transportation and round-trip air tickets for your relatives during their stay in China. Then write down the basic information of your relative, his name, date of birth, passport number, address and telephone number in the United States, and then your basic information, name, address, ID number and contact number. At the end of the autograph, you can add the sentence "If you have any questions, please contact me by phone".
Moreover, when you send an invitation letter (mail, fax or email) to your relatives, you should also send them a double-sided copy of your ID card. Relatives need to provide an invitation letter in the visa application materials (required by the embassy or consulate).