三大品牌机油送到德国的检测 全都不合格
下面是检测的机油分析概要:Summaryof oil analysis Itis clear that in many engine oil samples, the viscosity index is significantlydifferent from the normal range。 This shows that engine oils in China have alower viscosity and are not comparable with European oil standards。 This alsoshows the comparison between brand oils from Shell, Castrol and Mobil。 TheChinese oils differ extremely from the European standard and they do notachieve the same quality standard。