如何写英文邀请函

题目

如何写英文邀请函
我公司将为庆祝在中国开展业务5周年举行庆典.请给老客户兼老朋友Smith先生发一封邀请函,邀请他和他夫人到时前来参加庆祝活动.
庆典时间：4月28日上午10：00至下午2：00
庆典地点：丽都酒店（Lido Hotel)
庆祝活动安排：10：00至11：00庆典,11：00至12：30参观本公司,12：30至2：00在丽都宾馆一楼举行午宴.
请Smith先生在4月5日前打电话到XXXXXXX,告知他们是否能前来参加庆典活动

答案

Dear Mr.Smith:
Our company will hold a party to celebrate our fifth ceremony of developing the business in Chinese market.We are glad to take honor to invite you and your wife to the celebration party.I believe your visit will make a happy and meaningful party and celebration.
Time:from 10:00 AM to 2:00 PM
Location:Lido Hotel
Arrangement of the celebration:10:00 to 11:00,celebration meeting; 11:00 to 12:30,visiting the company; 12:30 to 2:00 luncheon at first floor of Lido Hotel