◆The products comply with German API Cl-4 and European ACEA B3-98#2/E5-02 quality grade standards,adopt imported hydrogenation base oil modulation,minimize wear and effectively extend engine service life. ◆The superior high temperature cleaning property enables efficient control of valve and piston deposition and cylinder wall grinding to keep the engine highly clean. ◆Pieces of oxidation stability,effective inhibition caused by high soot emissions of engine oil thickening,reduce sludge generated,excellent fuel economy,can maximum limit to reduce fuel consumption,excellent low-temperature start and high temperature lubricity,unique low ash micro phosphorus formulation technology system,can effectively improve the emissions of euro V standard,conducive to environmenlal protection.