(CNN) The Trump administration is considering increasing the rate of proposed tariffs to 25% on an additional $200 billion worth of goods from China.

The White House had previously asked the Office of the United States Trade Representative about the possibility of imposing a 10% tariff on $200 billion worth of Chinese goods. But under a new plan the tariffs would more than double in size.

Talks between the world's two largest economies are at an impasse in the trade spat, with both sides continuing to threaten new tariffs.

The United States has already slapped 25% tariffs on Chinese goods worth $34 billion to punish Beijing for what it says are its unfair trade practices, such as forcing American companies to hand over valuable technology. China immediately responded with equal measures.

In the latest step, President Donald Trump has directed US Trade Representative Robert Lighthizer to consider increasing the proposed tariff level on fruit and vegetables, handbags, refrigerators, and more. The trade office has extended its previous deadline of Aug. 30 to allow the public more time to comment on the new plan. Those comments are now due on Sept. 5.

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