To Whom It May Concern:
I would like to extend an invitation to (traveler's name), (traveler's citizenship), passport # (traveler's passport #) to visit me in (name of the city), China. (traveler's name) is my (relationship) and will be staying with me at my residence during his/her visit in China from (date) to (date).
My home address is: (Physical address)
My passport number:
Please feel free to contact with any questions or concerns.
(Name of your relative or friend in China)