Originally Posted by
Palal
Plenty of American tourists and businesspeople visiting China - no issues for anyone. Do make sure you have your entry paperwork in order (invite letter, etc.) There are sporadic checks at the entry.
Also - do get Alipay and Wechat before you go, and connect your international credit card to it - it will simplify your life quite a bit.
TMK, invitation letters are only officially required in order to procure visas. If you no longer have a letter that was issued 7 years ago, simply tell the border control people that you lost it, and they will presumably relent.