美国签证证明样本，要英文

June 30, 2011

LETTER OF GUARANTEE

Dear Sir or Madam:

This is to certify that Mr. XXX and Ms. XXX(人员姓名汉语拼音) areemployees of XXX（公司英文名称）（Pleasefind the details of their information attached）. Invited by XXXXX, they will .......(XXX出行目的) in XXX(城市国家地点),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,

公司英文名称，并加盖公章