Answer:
Papermaking, printing, gunpowder, and the compass
Step-by-step explanation:
According to verifiable historical records, some of the contributions of Ancient China are:
Papermaking: this was invented as early as the 2nd century BC
Printing: this started with woodblock printing in 868 AD
Gunpowder: this was first invented in the 9th century, and it was later modified to be used for guns, bombs, mine, and some other use of gunpowder
Compass: this was made to be applied in finding the right direction including the ship navigation
Other inventions include umbrellas, porcelain, the wheelbarrow, iron casting, and many more.