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"For molten iron at a temperature of 1,500 C, we can bring it down to less than 200 C within a millionth of a second," said Guo Gang, vice-president of Yunlu.

"Given the weak impetus of corporates and households in expanding debt, the government is in a position to make up the shortfall and stabilize demand," Zhang said.

"Fierce competition among local players in the mid-to-affordable premium market has forced key local players to continuously improve their offerings and roll out advanced features that are more akin to premium level smartphones," said James Yan, research director at Counterpoint.

"Governments' long and effective efforts to curb emissions of air pollutants is the root reason for the improvement," the statement said.

"First, they are in no position to do so. Second, what they said makes no sense and third, they have no audience," Wang told reporters at a regular news briefing in Beijing.