The figure dropped by 1.4 percentage points from the previous quarter, according to the National Bureau of Statistics.

Renewable energy use, low season, curbs on inflows, green drive factors.

China's raw coal output posted stable expansion in March, official data showed.

Thanks to the digitalization of the coal industry, miners no longer need to enter the deep mineshafts via walking or riding on a small, outdated train.

Thanks to the digitization of the coal industry, miners no longer need to enter the deep mineshafts via walking or riding an outdated small train.

China's steel sector saw output expansion in the first quarter of the year, industrial data showed.

The institute has developed the 0.08mm ultra-thin grain-oriented silicon steel strip and iron core in collaboration with several other companies and institutes including China Iron & Steel Research Institute Group.

US exports to China totalled 439,924t in February, more than trebling compared with a year earlier.