In September, it published a list of 51 state and privately owned yards judged to comply with requirements such as ship emissions that are likely to qualify for favourable policies on bank credit and export tax rebates, Reuters reported..

The new nine include subsidiaries of state-backed China State Shipbuilding Corporation (CSSC), China Shipbuilding Industry Corporation (CSIC), Cosco and Avic, according to a list posted on the ministry of industry and information technology's website on Wednesday.

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