“The deal means “reciprocal” tariffs between both countries will be cut from 125% to 10%. The U.S.′ 20% duties on Chinese imports relating to fentanyl will remain in place, meaning total tariffs on China stand at 30%.”
所以美国新关税还有30%，中国只有10%？

The result is that US tariffs on Chinese imports will fall to from 145% to 30%, while Chinese tariffs on some US imports will fall from 125% to 10%.
确实如此。