How to Check the Production Date of Great Wall Engine Oil?

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The method to check the production date of Great Wall engine oil: The production date is located at the bottom of the oil container, with the first six digits representing the production date. Automotive lubricants are categorized into mineral lubricants, synthetic lubricants, semi-synthetic lubricants, and others. Functions of automotive engine oil: 1. Lubrication and friction reduction; 2. Cooling and temperature reduction; 3. Cleaning and purification; 4. Sealing and leakage prevention. Engine oil, also known as engine lubricant, serves to lubricate and reduce friction, assist in cooling and temperature reduction, seal and prevent leaks, prevent rust and corrosion, and dampen vibrations, earning it the reputation as the 'blood' of automobiles. Engine oil consists of two components: base oil and additives. The base oil is the primary constituent of lubricants, determining their fundamental properties, while additives compensate for and enhance the shortcomings of the base oil, imparting new characteristics, making them a crucial component of lubricants.