China has been the source of many significant inventions, including the Four Great Inventions of ancient China: papermaking, the compass, gunpowder, and printing. The list below contains these and other inventions. 'The Chinese invented technologies involving mechanics, hydraulics, and mathematics applied to horology, metallurgy, astronomy, agriculture, engineering, music theory, craftsmanship, nautics, and warfare. By the Warring States Period (403–221 BC), they had advanced metallurgic technology, including the blast furnace and cupola furnace, while the finery forge and puddling process were known by the Han Dynasty (202 BC – AD 220)...