... our high quality and our responsible service!!Our customers come from many countries,such as Singapore,Malaysia,Thailand,Japan,Korea,Russia ... ,Australia,South Africa,USA,Greece.....etc!!Character of potassium nitrate tech grade we are supplying is as follow:ItemsAnalysis ResultsKNO3 %>=99 ... -771-5790766Fax:+86-771-5790667Mobile:+86-13607872333 POTASSIUM NITRATE(KNO3) TECH GRADE