The thing to worry about in China is that their leader said recently that they were going to create their own brand of Christianity. Now that will not stop the underground Christianity that is based in Christ, that missionaries for centuries brought from America.
In fact L. Nelson Bell, the father or Ruth Graham Bell, was a missionary to China, as well as, Pearl S. Buck (Author) and her family; parents: Absalom & Carolyn Syderstriken.
In fact, Pearl S. Buck wrote many books about China and the Christianity planted there.
Here is a list on Wikepedia of the Missionaries from Protestant Churches, although probably missing hundreds from some of the lesser denominations...we don’t know the impact some of these people had on China, it was huge!
http://en.wikipedia.org/wiki/List_of_Protestant_missionaries_in_China
Born and died in China but considered one of the greatest Scottish Athletes in history. In 2008, just before the Beijing Olympics, Chinese authorities revealed that Liddell had refused an opportunity to leave the camp where he would shortly die, and instead gave his place to a pregnant woman. Apparently, the Japanese and British, with Churchill's approval, had agreed upon a prisoner exchange. News of this final act of sacrifice surprised even his family members. No greater love hath....