1...及其周边地区
Reference:...and its surrounding areas

2.提供全方位的服务
note：注意这里的“全方位”的翻译
Reference:offer an all-round service to...

3.竭诚
Reference:do one's best

4.坦诚相待
Reference:...in an honest partnership

5.商务
Reference:business activities

6.我们很高兴...
Reference:It　gives us great pleasure to...

7.再次接待...
note:学习这种比较特殊的说法
Reference:to play host to ... once again

9.学校的全体师生员工
Reference:the faculty,students and staff of the university

10.向...表示热烈欢迎
Reference:...wish to extend one's warm welcome to ...