Ann: Quarterly Activities Report , page-5

The story just gets better, Mongolia sits between China and Russia.

"China imports nearly half of its demand of potassium chloride from Russia. In 2007, China imported 3.8515 million tons from Russia, up 11.4 per cent than last year, accounting for 40.9 per cent of its total imports; the average price was $241/ton, up 17.8 per cent than last year. China imported 60 per cent of its total potash fertilizer from Russia and Belarus, mainly from the BPC; 27 per cent from Canada, mainly from Canpotex"

source. reportlinker.com. Analysis of Global and China Potash Fertilizer Industry 2008