ASTM 4378 TURBINE OIL CM.The Condition Monitoring program for industrial oils, especially turbine oils, is of great importance.
The book you see was written by the CEO of the company in 2015 and was given to 2,000 volumes for free to the colleagues of Iran's oil industry during the nationwide training
Motor Oil Quality Control level(xxW-yy) by SAE standard & Car Engine Performance level (Sx/Cy) by API tested ,controlled & certified.