High supercharged diesel engine oil CF-4 15W/40 products using the refined base oil, adding efficient composite additives and high shear viscosity index improver and blending. Excellent product performance - Lubrication antifriction performance, control piston ring and cylinder wear. Soot - good dispersion, control of soot caused by the viscosity increase. - good antioxidant properties, control packaging specifications of turbocharged diesel engine under high temperature and high speed oil 11122-2006 - through the application of ISO9001 quality management system certification scope - requirements apply to the use of CF-4 and below the level of lubricating oil thickening performance standards - GB: 4L, 16L, 18L, 200L