Military technology in ancient China as been thousands of years ahead of western warfare and invented the most deadly weapons of their time. They had the sharpes swords of their time, crossbows with triggers, invented gunpower, handguns, flamethrowers and even had missiles that could shoot severall small rockets at once, almost like modern weapons do now, just 2.000 to 2.500 years before!
Documentary about Chinese military inventions
In Europe soldiers still threw stones on each others and used primitive weapons, while China already used pretty modern weapons with gunpowder that the western world would have to wait for the end of the middle ages to be invented! But be aware – China is rising now again!