... and stable quality,competitive price!! We are gold supplyer of potassium nitrate(KNO3),as one of the best enterprise of our government ... ,Korea,Russia,Australia,South Africa,USA,Greece.....etc!!Character of potassium nitrate tech grade we are supplying is as follow:ItemsAnalysis ResultsKNO3 ... -771-5875037 +86-771-5790766Fax:+86-771-5790667Mobile:+86-13607872333 POTASSIUM NITRATE(KNO3) TECH GRADE