China was actually vastly inferior to Rome in terms of metal production: https://en.m.wikiversity.org/wiki/Comparison_between_Roman_and_Han_Empires https://en.

China was actually vastly inferior to Rome in terms of metal production: https://en.m.wikiversity.org/wiki/Comparison_between_Roman_and_Han_Empires https://en.m.wikiversity.org/wiki/Comparison_between_Roman_a...