Adhering into the basic principle of "quality, assistance, effectiveness and growth", we have attained trusts and praises from domestic and worldwide client for 3-Dimercaptopropanesulfonic acid sodium salt, Anthraquinone-2-Sulfonic Acid, Pigment Yellow 74, Glyoxal,Preservative Material. Our purpose is always to build Win-win scenario with our customers. We feel we are going to be your greatest choice. "Reputation To start with, Buyers Foremost. "Waiting for your inquiry. The product will supply to all over the world, such as Europe, America, Australia,Qatar, Singapore,South Africa, Algeria.Our company always concentrate on the development of the international market. We now have 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.