June 30 Reuters U.S.China tensions over semiconductors began with the Trump administration39;s trade war and have ratcheted up under President Joe Biden39;s leadership as Washington looks to undercut Beijing39;s efforts to build its hightech industry.

The U.S. and the Netherlands are set to deliver a onetwo punch to China39;s chipmakers by further curbing sales of chipmaking equipment, including some from Dutch firm ASML, the global leader in the critical process of lithography, Reuters reported on Thursday.

Here is a timeline of U.S. actions against China39;s chip industry

October 2018 Former U.S. President Donald Trump39;s administration cuts off Chinese chipmaker Fujian Jinhua Integrated Circuit from its U.S. suppliers after the U.S. Justice Department indicted the statebacked firm for stealing trade secrets.

The case initially started as a dispute between Micron Technology and the Chinese firm. Trump39;s move escalated it into the realm of an international trade conflict between the United States and China.

January 2020 Reuters reported that the Trump administration had since 2018 had mounted an extensive campaign to block the sale of Dutch chip manufacturing technology to China. It resulted in ASML being unable to sell its most advanced lithography machine to a Chinese customer.

May 2020 The Trump administration blocks shipments of semiconductors to China39;s Huawei Technologies from global chipmakers, crippling its HiSilicon chip and smartphone divisions….