Our organization insists all along the quality policy of product quality is base of business survival; purchaser gratification is the staring point and ending of an business; persistent improvement is eternal pursuit of staff as well as the consistent purpose of reputation 1st, purchaser first for Low Iron Chemical Sodium Hydrosulphide/ Sodium Hydrogen Sulphide, Metabi Sulfites De Sodium , Cas No. 1310-73-2 , Sodium Sulphide Chemical Formula ,70% Nahs Sodium Hydrosulfide . Our products are strictly inspected before exporting , So we gain a good reputation all over the world. We looking forward to cooperation with you in the future. The product will supply to all over the world, such as Europe, America, Australia,Turkmenistan , Maldives ,Bolivia , Iran .Our company always concentrate on the development of the international market. We've got a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.