美国励展集团在全球41个国家每年举办超过500多个各类大型商务展览。 出具本公司美国励展集团在全球举办的各类大型展览的参展商邀请函及观展邀请函，本商务邀请函并不保证100%通过签证（任何人与机构都不可能保证送签者绝对获得签证，商务签证本函为商务邀请函13538015740，只能匹配商务签证申请，不能匹配个人旅游签证申请及其他申请），但基本上只要送签人本身资料真实充分，9成送签者都已通过，顺利拿到商务签证。

　　需准备资料简单（出访时段，护照号码，人名几拼音，所持护照有效期截止日期，公司英文名称)，资料完整约4-15天出函。　篇二：美国签证邀请函模板

　　Invitation Letter

　　May 25, 2014（填写日期）

　　To whom it may concern:

　　I am writing this letter to invite my friendMr/Mrs. XXX (Passport No.XXX) to visit me in Austrialia from XXX.XX to XXX.XX(探访时间，例如July 10to July 30 2014).

　　The purpose of the visit is social as well as tourism withinXXX(国家). During his/her visiting, he/she will stay with me at the address listed below. My friendMr/Mrs. xxx will cover all his/her expenses by himself/herself. These include the round trip air fare to XXX(国家), food, transportation, medical insurance, and all other expenses.

　　My friend Mr/Mrs. XXXand I will make sure that he/her will leave Austrialia before the expiration of his/her authorized stay.

　　Your favorable consideration regarding his/her visa application will be highly appreciated. Should you have any questions regarding this matter, please do not hesitate to contact me as below.

　　Sincerely,

　　Cell phone: (邀请方电话)

　　Email:（邀请方邮件）

　　Address: （邀请方住址）