Apple iPhones and other U.S. goods could suffer sales hits in China if President-elect Donald Trump goes through with his “naive” plan of slapping a large import tariff on Chinese products, a state-backed newspaper warned on Sunday.

During his election campaign this year, Trump spoke of a 45 percent import tariff on all Chinese goods while failing to outline how it would work. Should any such policy come into effect, China will take a “tit-for-tat approach”, according to an opinion piece in the Global Times, a newspaper backed by the Communist party.

“A batch of Boeing orders will be replaced by Airbus. U.S. auto and iPhone sales in China will suffer a setback, and U.S. soybean and maize imports will be halted. China can also limit the number of Chinese students studying in the U.S.,” the Global Times article read.

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