1 Absolute advantage: No toxic chemicals-- Green Chemistry ,Environment 2 Efficiency&Short time 3 Long validity The Wide Various Application:1 . Activated silica asphalt modifier2. Filter aid: Food industry ,Wine industry,Chemicals,Industrial oil,Waste-water treatment,Day of supplies,Enzymes are processed purification and filtration to assure high levels of quality.3. Diatomite Packing &Carrier: ...