- Beijing swhc Technology Co., Ltd
- odium nitrate, sodium nitrite.
- Address:tomgzhou, Beijing, Beijing, China
- Mewar Scientific Agencie
- glycerin, potassium permanganate, ferrous sulphate , magnesium carbonate , silver nitrate lr , poatssium iodide lr , sodium molybdate , lime.
- Address:114, Anand plaza, univ. road, udaipur, India,313001