This product use deepest  mineral oil refined base oil, resist oxidation and corrosion resistance, abrasion, viscosity index improvement and defoaming and so on many kinds of additives modulation and into.This product is executive GB11122-1997 standard, quality to achieve the API CD level. Interchangeable use ExxonMobil” Delvac1330”; USA SOPUS” Rimula”; Esso company” Lube D-3”…ect.