Which department should I go to for the invitation letter for foreigners to travel! ! !

First, you find an international travel agency that has the right to receive inbound tourists and ask them to send invitations on their behalf. They will ask you about the details of the invited guests, and then fill in the form and submit it to the local tourism bureau for approval and seal before sending it to your guests. This is the procedure.

The condition is that the guests you invite must come from countries that have established diplomatic relations with our country.

You can ask me if you don't understand anything. I often send invitations to foreign tourists.