We are manufacturer of of Sodium Nitrite and Sodium Nitrate in China for many years, and we also could supply other chemical products, like Caustic Soda, Soda Ash, Lead Nitrate, Formic Acid, Oxalic Acid,Chrome Oxide Green, Barium Carbonate, Barium Nitrate, Sodium Hydrosulfite,Sodium CMC, Phosphoric Acid, Aluminium Hydroxide,ect. If you are interested, , please feel free to contact us, We shall be glad to give you your lowest quotation upon receipt of your detailed requirments. We welcome your inquiries.