Silicone Oil, Polysilazane, Precipitated Silica manufacturer / supplier in China, offering Middle Viscosity Silicone Oils Iota Pdms47V50-47V1000 with Good Combustion Resistance, Low Viscosity Silicone Oils Iotapdms47V3-47V10 with Very Good Heat Stability, Methyl High Hydrogen Silicone Oil Iota202 Used as The Waterproofing Agent and so on.