Please advise on the invitation letter to apply for a US tourist visa

Zhenshun’s answer for going to the United States: If you want to conduct business activities in the United States, you need an invitation letter. Without an invitation letter, you cannot apply for a business visa.

If you are invited by a friend, it is a family visit visa, which means your friend must have a certain status or influence in the United States, or the certificate issued by him is not very convincing.

A U.S. visa is more troublesome. You must have more proof of assets, real estate certificates, car certificates, stocks, etc. Of course, the more the better.

The template is as follows: