Sirius Minerals to supply 500,000 tonnes of fertilizer a year to Chinese firm

[caption id="attachment_841523" align="alignright" width="500"] Aerial image from north of York potash mine site. (Courtesy of Sirius Minerals)[/caption] London-listed Sirius Minerals (LON:SXX), the company building a potash mine beneath a U.K. national park, has secured an offtake deal with Huaken International,...