在商务交流中邮件必不可少，下面是3个邀请客户参加周年庆典的范文，来看看吧!
范文1
Dear Sir or Madam:
We take great pleasure to invite you to our company's 10th anniversary ceremony. We will hold a cocktail party at 3:00-5:00 p.m., on May 8th, 2011, in Shanghai Grand Hotel. We are looking forward to having your company in the party.
Enclosed you will find a formal invitation card.
We would appreciate it if you could confirm your availability at your earliest convenience. Please contact us at 021-53342728.
Yours sincerely,
Zhang ying
BBC Company
亲爱的先生/女士：
我们很荣幸地邀请您参加我公司10周年纪念活动。我们将于2011年5月8日下午3:00-5:00在上海大酒店举行鸡尾酒会。期待您的光临。
附件请查收正式邀请函一封。
如果您能尽早告知是否赏光，我们将不胜感激。请拨021-53342728联系我们。
BBC公司
张英
敬上
范文2
Dear Miss Zhang,
Thank you for your kind invitation to your 10th anniversary ceremony. We accept it with pleasure and enjoy the honor to be with you on that happy event.
We have witness target=_blank class=infotextkey>witnessed how you started and developed in these years and happy to see it has achieved so much. Of course, we will be there, sharing your happiness that day.
Yours sincerely,
Liu Feng
YTY Company
亲爱的张小姐：
感谢您盛情邀请我们参加贵公司10周年庆典活动。我们欣然接受，并且很荣幸能够和你们共度这一欢乐时刻。
我们见证了贵公司的初创和发展，为它所取得的成就感到高兴。当然，我们会在那天和你们一起分享快乐。
YTY 公司
刘峰
敬上
范文3
Dear Miss Zhang,
Thank you for inviting us to take part in your 10th anniversary ceremony. We regret that we can not go because of a previous engagement. It is a great pity that we miss this good chance to share happiness and communicate with you.
We send you our sincere congratulation and best wishes.
Yours faithfully,
Liu Feng
YTY Company
亲爱的张小姐：
感谢您邀请我们参加贵公司10周年庆典活动。我们很抱歉由于前约不能应邀。很可惜错过这次与你们共享欢乐，一起交流的好机会。
送上我们热烈的祝贺和最美好的祝福。
YTY 公司
刘峰
敬上