BEIJING (Reuters) – China’s cyberspace regulator said on Sunday that products from U.S. semiconductor maker Micron Technology failed to meet network security criteria and would be banned from key infrastructure operators.

The move, announced amid tensions between Beijing and Washington over smart technologies, could affect a range of sectors from telecoms to transportation to finance.

In a statement, China’s Cyberspace Administration (CAC) said analysis has shown that “Micron products have significant network security risks, posing serious security risks to infrastructure supply chains. essential Chinese information”.

Micron said it has been notified of the findings of the CAC review regarding its products sold in China and said it wants to “continue to engage with authorities” in Beijing.

No details were provided by the CAC on the risks represented by Micron products, nor on the products concerned by the measure.

Analysts have said they anticipate a reduced impact for Micron, the majority of the American group’s customers in China being in particular producers of smartphones and computers, and not infrastructure suppliers.

The United States has in the past imposed controls on chip exports to China and banned Micron rival Yangtze Memory Technologies from sourcing certain components from the United States.

(Report Kevin Yao and Brenda Goh, with Andrew Chung and Baranjot Kaur; Jean Terzian)

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