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Bi Sheng (990–1051) had been the discoverer of the First recog-nized movable typetechnology. His system was built of Chinese porcelain. Throughout the dominate of the Chingli he built the movable type.
His technique was: he chose sticky clay and cut in them characters which was as thinly as the boundary of a surface of coins. Every character shaped as if of one kind. Bi Sheng for making them hard baked them into fire. Antecedently he had made iron plate and enclosed plate through a mix of pine rosin, paper ashes and wax. Whenever he wished for printing, picked up the iron frame and set it on the plate of the iron. While the frame was full, it altogether made one solid block of the type. After that, he placed it near fire for warming it. While characters were not utilized, he arranged them with the paper labels and kept them in the case of wood.