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"China started operating its first maglev railway more than a decade ago but has since concentrated on conventional high-speed rail because it was hindered by many critical technologies at that time," said Sun Zhang, a railway expert and engineering professor at Shanghai Tongji University.

"China will continue to be the world's largest market for products and services, such as industrial goods, food and healthcare services, which will offer enormous opportunities to global companies," Wang added.

"China's SOEs maintain benign partnerships with enterprises under all types of ownership, as well as foreign enterprises. Cooperation helps China's SOEs in further deepening reform, improving development quality and enhancing management. This is a win-win situation that we look for," Xiao said.

"China represents at least 11 percent of global demand (and) is the second-largest market after the US, and it has been the world's fastest-growing market in recent years," he said. "Chinese helium consumers have experienced sharply higher prices and supply allocations, similar to consumers elsewhere in the world."

"Contacts between the cultures of East and West really began in Macao," said Nicholas Platt, a former US ambassador, who spoke at the event.