Activated Carbon, Impregnated Activated Carbon, Precipitated Silica manufacturer / supplier in China, offering Silicone Defoamer for Industrial Cleaning, General Type Silicone Defoamer, Polyether Defoamer for Industrial Cleaning, Antifoaming Agent, Non-Silicon Type Compound Defoamer, Ptsa: 1, 3, 6, 8-Pyrenetetrasulfonic Acid Tetrasodium Salt, 50% Liquid (Fluorescent Tracer for Water Treatment, Cooling towers) CAS: 59572-10-0 and so on.