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"China will as always play a positive role to this end," Lu added.

"China's ivory ban shows the determination of a responsible nation and sets an example for the world in wildlife protection ... The ban was the most extraordinary measure that the world has seen to protect wild elephants," Sun said.

"Countries, while maintaining their own security, should take into account other countries' security," Xi said. He asked major nations to offer more support for underdeveloped countries and regions in security and development.

"Cross-border e-commerce trade is set to see a year-on-year growth of 50 percent in 2018 from last year," said Zhao Ping, director of the international trade research department under the Academy of China Council for the Promotion of International Trade.

"Cultural products that illustrate Beijing's culture and the charm of the Chinese culture can be seen in details at the exhibition," he said, adding the event will help the Egyptians to get a closer look at the Chinese capital.