China's commerce ministry will continue with anti-dumping tariffs of up to 30.6% on single-mode optical fibre imports from India, which were due to expire on Thursday, as it begins a final review of an investigation initiated in 2013.

The review will take up to a year, the ministry said on Wednesday in a statement.

China first imposed the tariffs in 2014 and had extended them in August 2020.

(Reporting by Beijing Newsroom Editing by Bernadette Baum)