HS code utilization in trade feasibility studies

Fully synthetic engine oil: The HS code utilization in trade feasibility studiesimportance and purchase advice of engine oil The engine is the central part of the car, and its performance and service life are directly related to the safety and comfort of the car. Engine oil is the "blood" of the engine, which plays an irreplaceable and important role in the normal operation, protection and life extension of the engine. For differentThe model and usage, add oil with different performance to the engine to ensure its best performance. Therefore, this article will focus on the importance of fully synthetic engine oil and purchasing suggestions. I. The importance of fully synthetic engine oil Fully synthetic engine oil is made of refined mineral oil and chemically synthesized base oil, etc., and processed at high temperature and high pressure. Its superior performance has the following advantages: 1. The fully synthetic engine oil of the protection engine has excellent low-temperature start-up performance and can quickly lubricate various parts. At the same time, the additives it contains can effectively reduce wear and corrosion, and protect the internal parts of the engine. Two. Improve fuel efficiency. Fully synthetic engine oil has excellent lubrication performance and friction reduction effect, which can reduce fuel consumption, improve fuel efficiency, reduce emissions and protect the environment.3. Extend the maintenance cycle. Due to its excellent performance, the fully synthetic engine oil can extend the maintenance cycle. Car owners can extend the maintenance cycle and reduce maintenance costs according to the requirements of different models or conditions of use. II. Suggestions for buying all-synthetic engine oil 1. Choose an oil suitable for the car model. Different models need to use oil with different performance, otherwise it will affect the normal operation of the engine and lead to failure. When buying engine oil, you must carefully check its applicable models to make sure that you choose the right one and avoid misuse. Two. Buy qualified quality engine oil. Engine oil is one of the lubrication and protective parts in direct contact with the engine. The quality of the oil is directly related to the service life of the engine. Therefore, when buying all-synthetic engine oil, you should choose products that have passed the quality control and acceptance, and do not buy inferior oil for a temporary bargain.3. Pay attention to the viscosity selection of the oil. The viscosity selection of the oil is related to the use environment and season. Under normal circumstances, the higher the viscosity value of the oil, the worse the fluidity of the oil. The oil thickens at the start-up time, and the better the lubrication effect. Therefore, the choice of oil viscosity is also different in different seasons and usage environments. Four. Replacing the oil according to the usage will cause foam, physical and chemical changes due to various reasons after long-term operation, which cannot effectively play a lubricating role. Therefore, it is recommended that car owners replace the oil according to the specified mileage or time in daily maintenance, and avoid using aging and old oil. In a word, fully synthetic engine oil is an important guarantee to ensure the normal use of the vehicle. Correct selection of suitable oil and reasonable maintenance can not only improve the performance and life of the engine, but also save repair and maintenance costs.For car owners, purchasing all-synthetic engine oil and proper maintenance can not only ensure the safe driving of the vehicle, but also extend the service life of the vehicle, which is an issue worth paying attention to.

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