CompassThe compass is a magnetized needle used to navigate on voyages and it was made by Han Dynasty
PapermakingChinese are the first people to make paper. The earliest Chinese paper was probably made from hemp and then the bark of the mulberry tree.
MedicineChinese used poisonous smoke to take away the discease after the person with the discease dies.
BridgesChinese made improved bridges by making archs that were semicircle this took less materials and less space.
PrintingChinese used black inc to copy symbols they drew it is called woodblock printing.
Mechanical ClockThe Chinese made a wheel that spun all the way within 24 hours by using dripping water. Every quarter hour drums will beat every hour bells will chime.
TeaFarmers grow small tea trees or shrubs chinese have been drinking it since 2700 B.C tea farmers than hand pick leaves and have to boil it.
GunpowderChinese alchemists accidentally discover gunpowder when looking for a secret to live an eternal life.
Rocket TechnologyRocket were powered by blast powder,charcoal and sulfur. They were used as fireworks but they started using them for weapons.