Apply Analysis Of 10w/30sf/cd General Lubricating Oil

This paper analyses the reserve transport and economic results of lubricating oil of import and joint investment made automible.and supply performance index period of changing 10w/30sf/cd,Provide scientific foundation for appraising quality level and adaption of this lubricating oil,and offer economic foundation for wide use in cold zone.At first the paper analyses the performance of the lubricating oil useful in some automible in cold zone then obtain a quantity data and optimum period changing of 10W/30SF/CD.To obtain foundation of wide market it analogy to other import lubricating oil.Therefor the paper offer the 10W/30SF/CD is economic and adaptial . it ought to use in wide market.