What does the person have to write on the invitation letter to me as he is my cousin in China

Hi, The invitation letter should include the following items:
(1) Personal information of the applicant, such as name, gender,and date of birth.
(2) Purpose of the visit to China, travel itinerary such as date of entry and exit, places of visit, relationship between the inviter and the applicant, and who will bear the expenses of the applicant in China.
In addition, you need copies of inviter's ID Card if Chinese; passport information page, valid visa or residence permit in China for foreigners.