Dear Sirs,
We are staging an important exhibition in Shanghai Exhibition Centre from October l to October 7. We would like to invite your corporation to attend. Full details on the Fair will be sent in a week.
We look forward to hearing from you soon, and hope that you will be able to attend.
Yours faithfully,
敬启者：
我们将于10月1日至7日在上海展览中心举办一次重要的商品展览。我们邀请贵公司参加。展览的详细资料将于一周内发出。
请尽快回复我们，并希望您能参加。
敬上