But both electronics giants face a growing threat from low-cost competitors from South Korea , Taiwan and China , who have driven down prices of products from TV 's to DVD players by as much as 30 percent a year .
China /location/country/administrative_divisions Taiwan
Taiwan /location/administrative_division/country China
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China
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Taiwan
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/location/country/administrative_divisions
Taiwan
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China
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/location/administrative_division/country