Steel groups were ranked among the most innovative steelmakers in terms of patents in China.

The city sees an annual coal output of over 100 million tonnes regardless of its exhausted quality coal resources.

To date, robots have been used in patrolling, picking refuse and nine other situations.

The Shanghai Futures Exchange can carry out trading in stainless steel futures.

Steel groups were ranked among the most innovative steelmakers in terms of patents in China.

Twelve of the 18 coal mines to be closed have an annual output of 600,000 tonnes or less.

This is a drastic rebound compared to the 3.1-percent decline in June.

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