When the tomb of the king of the Guo State of 2,000 years ago was discovered in Henan Province, an iron sword with a bronze handle unearthed at the site put the history of Chinese iron metallurgy one...
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When the tomb of the king of the Guo State of 2,000 years ago was discovered in Henan Province, an iron sword with a bronze handle unearthed at the site put the history of Chinese iron metallurgy one...