Product Specifications: 4L, 18L | Executive Standard: Q/TJLBR 002-2019 | 100,000 km Oil Change Interval | Product Description: Formulated with 100% imported synthetic base oil and imported low-sulfur, low-phosphorus, and low-ash composite additives. It offers excellent piston deposit control, effectively keeping pistons clean while extending engine life and reducing oil consumption. It features outstanding oxidation resistance, low-temperature performance, and anti-wear capabilities, effectively extending oil change intervals. Quality meets API CK-4 specifications, as well as requirements from major global manufacturers including ACEA E9-16/E6-16, Cummins 20087, DDC 93K218, Caterpillar ECF-3, Volvo VDS-4/4.5, Daimler MB 228.31, MTU 2.1/3.1, DQC III-10-LA or IV-10LA, DDC 93K223, MAN 3575, Renault RLD-3/RLD-4, and Mack EO-O PP/EOS-4.5. | LBORU Poly-Molybdenum Long-Life Energy-Saving Diesel Engine Oil (Recommended 100,000 km interval; Fully Synthetic CK-4; China VI Compliant) | Applicable Vehicles: Suitable for engines requiring CK-4 grade diesel oil; meets Euro VI and China VI emission standards; recommended for heavy-duty commercial vehicles equipped with EGR, DPF, and SCR systems.