To whom it may concern,
We, (公司名), is now starting the business relationship with(受邀请公司). In orderto enhance our cooperation and know each other more, we would be very glad totake this opportunity to invite the following staffs from(受邀请公司) to visit ourOffice in Shanghai, from 15th March to 20th March.
We confirm that we will make the itinerary and all other arrangements foryour visit in China. We also confirm that all the expenses during your stay inChina will be covered by (受邀人公司).
Thanks for your attention and best regards in advance.