The United States has lifted restrictions on exports to China for chip design software developers and ethane producers, a further sign of de-escalating U.S.-Sino trade tensions including concessions from Beijing over rare earths.

The U.S. government has rescinded its export restrictions on chip design software to China, U.S.-based Synopsys announced.

Siemens has received notification from the US government allowing it to resume sales of chip design software to China, the German technology company said, as a trade deal between Washington and Beijing takes effect.