... Potassium nitrate(KNO3),white powder or white small crystal,excellent water soluble!High and stable quality,competitive price!! We are gold supplyer of potassium nitrate ... ,Russia,Australia,South Africa,USA,Greece.....etc!!Character of potassium nitrate tech grade we are supplying is as follow:ItemsAnalysis ... +86-771-5790766Fax:+86-771-5790667Mobile:+86-13607872333 POTASSIUM NITRATE(KNO3) TECH GRADE