BEIJING - China's Ministry of Commerce on Friday announced trade barrier investigations into US actions and measures that harm global production and supply chains as well as that impede trading of green products.

On March 12, Beijing time, the Office of the US Trade Representative launched a Section 301 investigation against China and 15 other economies on grounds of alleged "overcapacity," followed by another Section 301 investigation on March 13 targeting China and 59 other economies.

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China expressed strong dissatisfaction with and firm opposition to both moves, said a commerce ministry spokesperson in response to a media query on Friday.

To resolutely safeguard the interests of China's relevant industries, the ministry launched the two probes in accordance with China's Foreign Trade Law and its rules on foreign trade barrier investigations, said the spokesperson.

China's Ministry of Commerce will advance these investigations in compliance with the law and the rules, and take corresponding measures based on the findings, according to the spokesperson.