The Trypillian culture has primarily been found in Europe, but finds of bronze coins in the shape of knives that were used in what is now China at the time suggests that either they engaged in extensive trade with far Eastern cultures, or were present deep in East Asia. One of the discoveries was a coin with text on it pointing out it was minted in Ji Yo, a city in what has become China today.
I don't know about The Trypillian culture. However, I think there was an pre - ancient civilization.
You are right. There were many.