I would avail myself this opportunity to extend my warm welcome to you all.
我愿借此机会向各位来宾表示热烈的欢迎。
On behalf of the sponsors and supporters China Education Expo 2001, I'd like to extend my warm welcome to you and express my sincere appreciation to you for your presence.
“我谨代表”2001中国教育展“的主办单位和协办单位各诸位表示热烈的欢迎，对诸位的光临表示衷心感谢。
Allow me to extend my warm welcome and New Year greetings to all of you.
请允许我向你们表示热烈的欢迎并致以新年的问候。
应用推荐