That will be as early as the Zhou Dynasty (1046-256 BC).
Iron tipped poles in ancient China were used as spears. These poles were known as qiang and were used for hunting first and then used during battles and war.
The first bombs were used in China in 1221. They were made of cast iron and packed with gunpowder.
Ancient China had invented the first iron tipped spears.
china
They used iron plows
It was first used in 1952
Well, the Hittites were excellent chaiotsmen and also were the first to smelt iron. i also believe that they were the first to sign a treaty with China.
China,Japan,Europe this is at particular time by the way
china
china
China
they were used from china