我非常感谢...
Reference: Thank you very much for...

热情友好的欢迎辞
Reference: gracious speech of welcome

...之一
Reference: be one of

访问...是...
Reference: A visit to...has...

多年梦寐以求的愿望
Reference: has long been my dream

...给予我一次...的机会...
Reference: (The visit will) give me (an excellent ) opportunity to ...

我为...，再次表达（我的愉快之情和荣幸之感）。
Reference: I wish to say again that I am so delighted and privileged to...

（我对您为我到达贵国后所做的一切安排）深表感谢。
note: 注意这里“到达”的动词向名词形式的转变。
Reference:I'm deeply grateful for everything you've done for me since my arrival in China.

（我很高兴）有此机会（来贵公司工作），与中国汽车业的杰出人士合作共事。
note：（1）这里的“合作共事”可以不译，由前面的“工作”统领，用with连接就可以了。（2）“杰出人士”的翻译
Reference: I'm very glad to have the opportunity to work in your company with a group of brilliant people in China's automobile industries.

...多年来一直盼望...
note：主要是对“盼望”一词的快速反应。
Reference:have been looking forward to ...for many years