Premium Derin CH-4 15W40 High Performance Diesel Engine Oil

Premium Derin CH-4 15W40 High Performance Diesel Engine Oil. Extended Oil Change Interval: Suggested interval of 18,000 to 25,000 kilometers for optimal performance. Superior Cleaning Ability: Reduces carbon deposition and prevents machine filter screen clogging. Strong Anti-Corrosion: Prevents acid corrosion caused by fuel combustion with excellent alkali retention. Flexible Customization: Supports OEM, ODM, custom packaging, and logo printing services. Wide Application Range: Ideal for heavy-duty trucks, generators, mining, and agricultural machinery. Factory Direct Supply: Manufactured and exported directly by the factory with quality control.