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DiDi, the dominant player, claims more than 25 million rides each day through more than 21 million registered drivers and car owners.

Ding Jie added: "Corrosion on the piece will create further harm, so we need to remove rust. We typically spend several months cleaning the rust."

Domestic stock, gold and commodity markets will be further opened up to foreign investors and institutions, which could enable more funds to flow in. The further opening of banking, insurance, securities, fund and wealth management businesses to foreign institutions will help domestic service providers to improve operational and management skills, he said.

Director, Advisory Committee for State Informatization

Developed nations urged to rethink disposal methods