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"China has been exploring the relationship between government and market by carrying out a series of pilot reforms," Xu said.

"Cargo going up to some places in the southwest has to go through Nanning. Goods from the southwestern hinterland coming down for export also have to go through Nanning. A large amount of bulk cargo can be transferred through Fangchenggang port (which is based in Nanning)," said Li Junxuan, deputy director of Business Department at Beibu Gulf Port Fangchenggang Terminal.

"China Life's latest investment is a typical example of Chinese insurers going abroad to optimize their asset allocations," said Hao Yansu, director of the school of insurance at the Central University of Finance and Economics.

"China is the world's second-largest economy and the axis of the global demand for goods. That's why the expo is of enormous importance -- the further opening-up of China's economy," said Castro.

"China is undergoing an economic transformation and upgrading at present. Therefore, the development of high-end manufacturing and smart equipment has become a buzzword. But as a matter of fact, traditional industries, which are closely related to people's daily lives, should also undergo upgrading and there will be room for their development," he said.