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China will build quality laboratories, nurture top talent, take part in more international projects and improve policies for basic science projects to become a global technological powerhouse by 2050, officials said on Sunday.

China vows to boost its share of nonfossil fuels in primary energy consumption to around 25 percent and increase the installed capacity of wind and solar power to more than 1,200 gigawatts by 2030. It also aims to lower its carbon dioxide emissions per unit of gross domestic product by over 65 percent from the 2005 level.

China will "fight back firmly" if the United States publishes an additional list of tariffs on Chinese goods, China's Ministry of Commerce said on Tuesday morning.

China will actively introduce more futures products and trading modes, improving the risk management function of the derivatives market, Fang said.

China targets an annual economic growth of around 6.5 percent for 2017, down from the 6.7 percent pace recorded in 2016.