最佳答案
June 30, 2011
LETTER OF GUARANTEE
Dear Sir or Madam:
This is to certify that Mr. XXX and Ms. XXX(人員姓名漢語拼音) areemployees of XXX（公司英文名稱）（Pleasefind the details of their information attached）. Invited by XXXXX, they will .......(XXX出行目的) in XXX(城市國家地點),from December 4th to 7th,2009.
All their expenses including the airtickets, accommodation and medical insurance, etc., during their stay in USA from Dec.2to Dec.8 will be borne by our company.
We hereby guarantee that they will returnto Chinaon schedule after the exhibition closes.
Name Passport Number Position
Best regards,
公司英文名稱，并加蓋公章