Respuesta :

Answer:

Bronze was discovered in Ancient China and helped the Chinese make a taotie mask and many other things. This improved their way of life by helping them make cultural objects and having a "Bronze Age."

Answer:

Iron.

Explanation:

Metallurgy in China has a long history, with the earliest metal objects in China dating back to around 3,000 BCE. The majority of early metal items found in China come from the North-Western Region (mainly Gansu and Qinghai, 青海). China was the earliest civilization to produce cast iron.