Dear Mr xxx,

I am writing to introduce Mr Zhang, who takes over the job of our Overseas Sales Manager from Mr Wang.

He is familiar with markets of the US., and he would like to interact with you actively. He intends to visit the America, main destination is Washington D.C. The specific schedule will be made as soon as possilbe, which I will inform you soon.

Your considerate arrangement will be appreciated.

Yours,

Jackson

你的表述有问题吧，我以杰克逊先生写给需要安排张先生的对方的口气写的。我就是做外贸的，天天整这些破玩意儿。