There is no absolute standard of low-tech and high-tech. The question is how replaceable. That is indirect relevant to iPhone or any small sample of particular

There is no absolute standard of low-tech and high-tech. The question is how replaceable. That is indirect relevant to iPhone or any small sample of particular items. The point is, overall, how replaceable is China? How is China ranked on the replaceable country list? I cannot see any evidences that China will be ranked below top3 (US China EU) in the world's least replaceable country when cutting from global trade.