Question: what tools did they use in ancient china?
Answer: The Seed drill. 3,500 years ago, the ancient Chinese created a device that would plant seeds into the soil at an even depth and then cover them. ... 
Iron smelting. ... 
Bronze making. ... 
Moveable type printing. ... 
The compass. ... 
The mechanical clock. ... 
The wheelbarrow. ... 
Earthquake detector.