China's SMIC Pilots Domestic Lithography Machine To Push 7nm Chips As Beijing Turns Regulatory Heat On Nvidia – NVIDIA (NASDAQ:NVDA), Taiwan Semiconductor (NYSE:TSM)

China’s SMIC is piloting its first homegrown lithography machine to produce 7nm chips, while Beijing escalates antitrust and trade pressure on Nvidia amid intensifying U.S.–China semiconductor rivalry.