Do u know that paper is a white material primarily used for writing?
Come on. Even a dog knows that
OK, but do u know it was first invented in ancient china
Oh really. I never realize that. Thanks for telling me using the phrase do you know which we were stopped from using
Even, the first paper making process was documented in China too
I never know Chinese to be very industrialist as at that time. 
Oh really, by the 11th century, it was brought to medieval Europe, where it was refined
That is cool. What other things do you think was invented in China