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"China's steel manufacturing infrastructure is the most advanced in the world. The small and unregulated steel mills, which are producing substandard steel with high pollution, should be eliminated," Li said.

"China's continuous efforts to open up the A-share market will also help," Wang added.

"China will firmly support related companies to safeguard their own legitimate rights and interests, and firmly uphold international economic and trade rules," he said at a news conference in Beijing.

"Coral reefs are becoming more and more vulnerable and the coral reef systems need more and better protection. The mission is important and I will keep on doing my duty, bit by bit," said Chen, adding that he has given a number of lectures to local fishermen.

"Completion of the bridge also marks a milestone in expressway construction in Guangdong province, one of the country's economic powerhouses," Liu said.