What is the name of printing, what is the earliest printing, and what was invented by people in the northern character period?

Movable type printing is an ancient printing method. It was invented by the working people of Han nationality in ancient China through long-term practice and research. This printing method uses movable metal or clay blocks instead of traditional copied or non-reusable printing plates. First, make a model of the original text and inverted text of the single word, then select the single word according to the original, arrange it in the font plate, ink it and print it, and then remove the font after printing, so as to use it again in the next typesetting. The invention of movable type printing is a great technological revolution in the history of printing.

Movable type printing of clay marks was invented by Bi Sheng (about 970-1051-1) in the Northern Song Dynasty in China. Print if you want, print if you want, and print business cards for free.

In Yuan Dynasty, Wang Zhen successfully created wooden movable type and invented wheel typesetting. Mid-Ming dynasty. Copper movable type is widely used in Wuxi, Suzhou and Nanjing.