Kroneseder diesel engine oil CK-4 product uses high-quality base oil and additives, with a maintenance mileage of 60000 kilometers that meets market demand. It ensures the safety and peace of mind of transport fleets and truck drivers on the road, guaranteeing the service life of trucks. The National VI formula is energy-saving and emission reducing, with strong and stable performance, which is also the reason why many trucks and truck drivers choose us.