Electric Kettles - Microwaves. The components that make up the actual boiling of water are now standard and all come from the same chinese manufacturer. You can pay $20 to $1000 for the same thing. The expensive one will look much better. Microwaves are the same - large numbers of manufacturers to all the same guts just different skins.
Retail clothing is the most obvious example. There used to be mid market clothing manufacturers that would produce clothing locally and try to compete on quality. That’s almost gone now. There’s just not enough demand.