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"China welcomes the US side to participate in cooperation within the framework of the Belt and Road Initiative," said the Chinese president, referring to the vision he proposed in 2013 of building an infrastructure and trade network connecting Asia with Europe and Africa along the ancient land and maritime Silk Road routes.

"Coupled with ongoing urbanization and rising domestic demand, powered by the Chinese government's measures to shift the economy to an internal consumption-driven model, the market potential in the Chinese mainland, particularly in lower-tier cities, continues to be attractive to jewelry retailers of all sizes," said Yang Lixin, director of the gemological training center for China's National Gem and Jewelry Technology Administrative Center.

"Chinese companies have gained an upper hand in large-screen LCD displays. South Korea's Samsung and LG have announced they will exit from the LCD sector, which means Chinese panel makers will take a dominant position," said Li, adding that the South Korean firms will focus on OLED and QLED(quantum dot light-emitting diode) displays.

"Climate change causes more intense weather and the increasing likelihood of catastrophic fire conditions. Weather is the overriding factor affecting fire behavior under catastrophic conditions, when everything burns," he said.

"China still lags behind developed economies in the high-tech sector, so encouraging foreign investment is of strategic significance to catch up with globally advanced technology, as well as promote the development of cutting-edge technology in the manufacturing industry," Wang added.