CF - 4  : It is the level introduced in 1990, which provides less deposit formation and oil consumption in addition to CE performance. Heavy-duty turbocharged and supercharged diesel engine oil operating under low speed-heavy load and high speed-heavy load conditions.
 
SJ  :It is arranged for the requirements of gasoline engine vehicles released in 1997. In addition to SH performance, less volatile, more compatible with catalysts, gasoline engine oil with higher low temperature properties.