If https://en.wikipedia.org/wiki/Timeline_of_international_trad... is right, the necessary technology for international trade was not available before 4000 BCE (horse riding ~3700 BCE, long-distance sea travel ~2000 BCE).
https://en.m.wikipedia.org/wiki/Avedis_Zildjian_Company
https://www.muroji.com/en/
If https://en.wikipedia.org/wiki/Timeline_of_international_trad... is right, the necessary technology for international trade was not available before 4000 BCE (horse riding ~3700 BCE, long-distance sea travel ~2000 BCE).