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As a pillar industry, the iron and steel sector accounts for about 15 percent of the total carbon emissions in the country.

As for data security, he said the Chinese operator GCBD, with disaster recovery capabilities, already has data privacy and security protection in place.

As estimated by Shenwan Hongyuan Securities, China's three major telecommunications operators will set up about 100,000 5G base stations this year at an estimated total investment of up to 40 billion yuan ( billion).

As a major supplier of fresh frozen food, the group was once called "Hong Kong's vegetable basket", Fu said. In 1972, it shipped petroleum and rice from the mainland to Hong Kong.

As government departments at central and provincial levels interact with residents via their microblogging accounts, China's Twitterlike platform is also being used by grassroots-level authorities, according to Zhu.