If you are American, and you are manufacturing 500 units, do it in America. Yes, it's more expensive per-unit, but at 500 units you don't need a tiny per-unit cost.
American manufacturing is more flexible, higher agency, and people tend to adapt to underspecified instructions better. The communication loops are stronger.
That said, America has enormous tradeoffs. If you need 10,000 of a part in 4 hours because something weird happened, China can make it happen. America... might take months. But if your batch size is 500, it's better for an American living in America to cut their teeth on American manufacturing and go to China when you need 10,000+ units per run.