Chinese companies should be wary of buying U.S. chips as they are "no longer safe" and buy locally instead, four of the country's top industry associations said on Tuesday in a rare coordinated response to Washington's curbs on Chinese chipmakers.

China and the US have targeted each other's economies in the last few days, escalating tensions even before U.S. President-elect Donald Trump returns to the White House in January

The United States on Monday launched its third big crackdown in three years on China's semiconductor industry, curbing exports to 140 companies, including chip equipment maker Naura Technology Group,