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China said on Tuesday its cooperation with and assistance to Pacific island countries never target a third party, and called for other countries to jointly help promote the region's development and improve people's livelihoods.

China published the first document on R&D standard in 2000, which significantly contributed to assessing the country's technological progress.

China purchased 141,000 industrial robots in 2017, up 58.1 percent year-on-year, but foreign brands accounted for nearly three quarters of that, showing that the gap is still widening between Chinese robot makers and their foreign peers.

China is working on developing green and energy-saving construction to improve ecological environment in urban areas, according to the national housing and urban-rural construction working conference held in December 2017.

China is willing to work with all other parties at the Hamburg summit in order to contribute more to global growth and global economic governance, Xi added.