The Beijing-based American Chamber of Commerce said on Friday that companies in the pharmaceutical sector had reported that they had been able to import drugs to China over the past week with tariff exemptions.

China is weighing an exemption for some U.S. imports from its tariffs as the economic fallout in its ongoing trade war with Washington becomes more apparent.

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.