Advantages

      ? High efficiency cleaning ability, reducing carbon deposit, keeping engine clean and reducing wear of engine

      ?  Adopting high efficiency anti-wear agent, maintaining effective anti-wear ability and prolonging service life of engine

      ?  Excellent viscosity and temperature properties, providing outstanding viscosity maintaining ability and keeping little change of viscosity in service

      ?  Good TBN retention with strong anti-corrosion ability as well as excellent anti-oxidation ability at high temperature and large load