About Bi Sheng

Bi Sheng inventor of the movable printing machine shexian county bianliang the capital of China.He also made his own paper plus using his own trees.he was born in 1045-1090.He also created character from wood to. He invented it on the basis of reforming the engraving type. At first he sawed wood into small pieces, and then lettered every small piece of wood to make movable . According to what characters an article needed, he arranged the needed characters on an iron board. After , all these characters could be reused.