http://www.smh.com.au/business/china-pollution-crackdown-here-to-stay-20171023-gz6pa1.html
A crackdown on polluting industries in northern China for an unprecedented five months over winter is not a one-off and could hit Australian iron ore and coal exports.
The winter pollution shutdown, which began in September and will run until March, is set to continue, China’s environment minister says.