FOR COMPOUND ENGINE OIL API SERVICE SH/CD PERFORMANCE AND CHARACTER Superior anti-abrasion performance,can reduce intense abrasion in cold start prominently Prolong engine life efficiently Elevate drive efficiently Reduce engine noise Save fuel oil,especially economical Low phosphor content,safe and environment-protection,can reduce blue smoke High anti-oxidization under high temperature,not easy to age and become thin,long life Superior viscosity-temperature performance,good low-temperature fluidity.