The Commerce Ministry didn't name any company, but several US firms including Texas Instruments Inc. and Analog Devices Inc. rank among the leaders in lower-end products such as power and analog chip

China will start an investigation into whether the US dumps lower-end chips and unfairly subsidizes its own chipmakers, one of Beijing’s strongest retaliatory moves so far against American technology sanctions.

Beijing has accused US companies of having an "unfair competitive advantage." "Companies have been exporting related mature-process chip products to China at low prices, harming the legitimate interests of the domestic industry,

China is launching an investigation into whether the United States is unfairly subsidizing its chipmakers and dumping lower-end chips, marking one of Beijing's most serious countermeasures against American technology sanctions to date.