“奥斯卡”CH-4高级柴油发动机润滑油 OSCAR ULTRAGARD CH-4ULTRA HIGH PERFORMANCE HEAVY DUTY DIESEL ENGINE OIL 简介 奥斯卡ULTRAGARD CH-4是优质高性能多级粘度发动机润滑油，这产品采用新的配方设计，能面保护当前和旧型号的低排放发动机。产品超过APICH-4重型要求和早期的类别。 DESCRIPTION： OSCAR ULTRAGARD CH-4 MuIti-viscosity Grade Engine Oils use superior technology to protectcurrent and older model low-emissions engines equipped with exhaust after-treatment systems and other new design features.These products exceed the APICH-4 heavy duty requirements and earlier categories. DESCRIPTION： OSCAR ULTRAGARD CH-4 MuIti-viscosity Grade Engine Oils use superior technology to protectcurrent and older model low-emissions engines equipped with exhaust after-treatment systems and other new design features.These products exceed the APICH-4 heavy duty requirements and earlier categories.