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"China's demand for bauxite continues to grow but the supply fell. That gives other bauxite-rich areas, mostly in Southwest China like Guizhou, an opportunity for development in aluminum production," said Cheng Wenchao, an analyst from consulting firm Aladdiny which is specialized in the bauxite industry.

"Chinese consumers are increasingly pursuing snack foods that are healthy, high-quality and safe, triggered by the constant consumption upgrade trend in the country. In the next few years, higher-end snack food will account for a larger market share, and raise the average price of the sector," said Neil Wang, president of consultancy Frost and Sullivan.

"China, the US and Africa will work together to build the center," he said.

"China's steel output rose this year as downstream demand from infrastructure construction picked up on government's investments, boosting inbound shipments of iron ore," she said.

"Currently, passenger load factors on most flights are not high. This is an innovative value-added product. Passengers will feel more comfortable and carriers can increase revenue by selling extra seats to the same passenger," said Lin, who is also a columnist at Carnoc.com, one of China's biggest civil aviation websites.