Taiwan and Korea both trade extensively with China. Ok so you buy their products instead of China. They grow richer and use that money to trade more with China.

Taiwan and Korea both trade extensively with China. Ok so you buy their products instead of China. They grow richer and use that money to trade more with China. Until you can stop trade between Taiwan/Korea with China, there is no point in buying those parts instead of Chinese parts. That money will eventually be recycled towards China. Buy American. Buy European.