we would like to invite you to a show（展览） of our latest products（最近的产品）.The show will take place at the beifang exhibition center（展览中心）,139,wutong street,at 9:00.on wednesday,August 11.There will also be a reception（招待会） at 12:00pm.We hope you and your colleagues（同事） will be able to attend（参加）.
In your last mail（信）,you have mentioned （提到）that you are interested in some porcelain(瓷器) gifts for chiristmas.Our company has recently developed a series of dilicate(精美的) vases （瓶）and figures（塑像） fit for the season.（适合这个季节）。
Itwould be appreciated（感激）,if you call our office at 81234567 not later than（不迟于） August 5 so that we can secure（保证） a place for you.
Hong Kong ABC Co. Ltd.
I am pleased to invite you to attend….很高兴邀请您参加。。。
It is my pleasure to invite you to attend….很荣幸邀请您。。。