邀请函有很多注意点，最重要的就是简要精练。在社会发展不断提速的今天，很多活动都需要使用邀请函，那么邀请函怎么写才能发挥它最大的作用呢？以下是小编帮大家整理的签证邀请函，欢迎阅读与收藏。
签证邀请函1
To whom it may concern:
I am writing th letter to invite our parents (name and brithdays) to vit us in (country) th coming (month) for aperiod of 6 months.
It goes without saying that we will cover all expenses duringTheir vit in (country), which includes international air tickets, local transportation, accmodations, medical
insurances and all other related expenses.
Your favourable consideration regarding their va Applications will be highly appreciated. If you have any question regarding th matter, please kindly contact me at the address above
Sincerely,
签证邀请函2
兹邀请由您领导的.北京4人代表团来***（国家）参加***（展览）。该展览将于***（日期）在***（地点）举行。请您安排来***（国家）的必要事宜。展会期间您们将在此逗留***日，所有的费用，包括国际机票、当地交通、食宿、医疗保险和其他相关费用由贵公司承担。
我们期待您的访问。
此致
敬礼