Gunpowder - Tseng Kung-Liang made the formula publicly available in AD 1040.
Morse
The Chinese were the first to use paper as an invention.
the portable video recorder
The invention of gunpower :)
The invention of the Firearm
The compass. The ancient Chinese invented the compass and revolutionized maritime (ocean / water) navigation.
Gunpowder
It revolutionized the world. Planes linked up the whole world and allowed warfare technology to be developed. Great question by the way.
China has made numerous important inventions throughout history, including paper, which revolutionized communication and record-keeping; the compass, which greatly improved navigation; and gunpowder, which transformed warfare. Additionally, the invention of printing techniques facilitated the spread of knowledge and literature. These innovations have had a profound impact on both Chinese society and the world at large.
The saddle
Some technological innovations during China's golden age include the invention of gunpowder, which revolutionized warfare; the development of papermaking techniques, which improved communication and education; and the invention of the compass, which transformed navigation.
Morse
The cotton gin.
telegraph
the cotton gin
the invention of the cotton gin
The CAREVEL