Tech firm Nvidia’s H20 chips pose security concerns for China, a social media account linked to Chinese state media said Sunday, as Washington and Beijing near a deadline to strike a deal in trade negotiations in which technology has also emerged as a key issue.

Nvidia's H20 chips pose security concerns for China, a social media account affiliated with China's state media said on Sunday, after Beijing raised concerns over backdoor access in those chips.

Nvidia will contribute 15% of its revenues from H20 chip sales in China, while AMD will do the same for its MI308 chip revenues.