Our company insists all along the quality policy of "product quality is base of enterprise survival; customer satisfaction is the staring point and ending of an enterprise; persistent improvement is eternal pursuit of staff" and the consistent purpose of "reputation first, customer first" for 2-Amino-6-Nitro-1-Phenol-4-Sulfonic Acid, 1,5-Dihydroxynaphthalene, 7,7"-(Carbonyldiimino)Bis(4-Hydroxy-2-Naphthalenesulfonic Acid) Disodium Salt, 2,3- -6- Two Hydroxy Naphthalene Sulfonate (R Dihydroxy Salt),81-16-3. We sincerely welcome overseas buyers to consult for that long-term cooperation as well as the mutual progress. The product will supply to all over the world, such as Europe, America, Australia,Vietnam, Sweden,Somalia, Belize.Now we are sincerely consider to grant brand agent in different areas and our agents' maximum margin of profit is the most important thing we care about. Welcome all of the friends and customers to join us. We are ready to share win-win corporation.