We specialize in manufacturing all kinds of fertilizers and chemical products ,such as : calcium nitrate, calcium ammonium nitrate, sodium nitrate, sodium nitrite, potassium nitrate ect, we are pride of our product quality , and our product has been send to the about 100 countries all around the world,if any further question ,pls contact me at 86-13546345989, or skpye: lena.hxchemical