Ion Exchange Resin, Organic Silicone Oil, Resin Catalyst manufacturer / supplier in China, offering Chelating Macroporous Weak-Acid Cation Resin - Isothiouronium Group for Mercury & Precious Metals Separation, Special Resin for Vanadate Separation and Rare-Metal Vanadium Extraction From Vanadium Ore, Special Resin for Heavy Metal Divalent Nickel Separation in Acid-Solution (pH: 2-7) and so on.