Lubricant Additive, Oil Additive, Extreme Pressure Additive manufacturer / supplier in China, offering Basic Barium Dinonylnaphthalene Sulfonate (Carbonated) , Oil-Soluble Rust Inhibitor, Viscosity Index Improver Pma Type Viscosity Modifier for Engine Oil, Oil Soluble Anti- Rust Additive, Neutral Barium Dinonylnaphthalene Sulfonate, Chorus Bsn and so on.