To judge the authenticity of Shell engine oil, you can first look at the printed symbols on the front and back, with the trademark of Shell on the front and the production date or batch number on the back of the oil jug. Secondly, you can take out a drop of oil sample and distinguish between true and false by comparing real objects and pictures; Finally, unpacking and checking the appearance, packaging and sealing of the product are important basis for judging whether the product is true or not.

million car purchase subsidy