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"China may like our coal, and agricultural products, and to have Australia as a student and tourist destination, but it does not need us for any of them," Evans wrote.

"China is the most exciting and dynamic market in the world. The continuous growth in its economy and middle class sustains the country's upward aviation market," said Randy Tinseth, vice-president of commercial marketing for Boeing. "As China has the world's fastest-growing e-commerce industry, demand for air cargo freighters is also expected to expand exponentially."

"By 2020, technologies including 5G and cloud computing are expected to embrace an explosive growth in China. It will bring a new round of growth in server businesses in the market," said Duan Meng, a senior analyst from market consultancy IDC.

"China is willing to share with the Central and Eastern European countries, whose energy consumption is still dominated by oil and gas and is largely dependent on imports," Xu said.

"China and related countries are building an international platform of collaboration through the Belt and Road Initiative," said Jiang Jianguo, deputy head of the Publicity Department of the Communist Party of China and a keynote speaker at Thursday's event.