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"Coordination and integration between cities remain the key words of developing metropolitan areas," said Zhang Yansheng, chief research fellow at the China Center for International Economic Exchanges. Shenzhen, the most innovative region in the Greater Bay Area, may join hands with Hong Kong, which boasts top universities, capital markets and a modern service industry. Zhang suggested Guangzhou, as a city of trade and service, could also coordinate with Foshan, which boasts a high-quality traditional manufacturing industry.

"Compared with other Chinese gold producers, Zijin Mining is more exposed to prices of gold and other metals due to its portfolio of more diversified mining assets," said Zhu Yi, senior analyst of metals and mining from Bloomberg Intelligence.

"Chinese technical colleges are well-advanced in industrial production. I believe the exchange programs will also bolster our efforts in strengthening engineering and science courses in our institutions," he said.

"Compared to Europe and the US, we are still at an early stage. Chinese auction houses began with Chinese artworks and Chinese collectors and expanded rapidly, just like the fast-growing Chinese economy."

"China's urban development should take the road of sustainable development," Xu said. "We should pay more attention to green city construction, green industrial development and low-carbon energy-saving development. And we should also ensure that migrant workers have the same social rights as native residents."