China appears to have quietly rolled back retaliatory tariffs of 125% on some semiconductors made in the United States, according to details provided to CNN on Friday by three import agencies in the southern technology hub of Shenzhen.

An American business group said Chinese officials had surveyed companies about American products that are crucial to their supply chains.

China is considering exempting certain imports from the U.S. from the 125 percent tariffs it imposed earlier this month, as retaliatory measures between the world’s two largest economies continue,