US president has threatened to raise tariffs on 200 billion dollar worth Chinese goods from 10% to 25%. The negotiations were in progress between the two countries but US president find it too slow. The 10% tariffs, imposed by the US under Section 301 of the 1974 Trade Protection Act "will go up to 25%" on Friday, he said. An additional $325 billion of Chinese goods imported into the US "remain untaxed, but will be shortly at a rate of 25%," he said.