Upload some pictures here to identify the authenticity of Castrol magnetic oil (from the network) 1- Identification of Castrol magnetic oil 2- Fake magnetic oil (font size is different) 3- Authentic magnetic oil (bar code on the bottle cap) Castrol is clear and three-dimensional; 4- False magnetic oil (bottle cap without bar code) Castrol is fuzzy; 5- The appearance color of genuine magnetic oil is darker than that of counterfeit oil; 6.9- The words Castrol are printed on the gaskets, gaskets and tin foil on the back of genuine bottle caps. 10- The word Castrol is not printed on one side of counterfeit money. 1 1- The upper end of the marking ruler of genuine magnetic protection oil is on the right side of the bottle centerline, and the lower end of the marking ruler is on the left side of the bottle centerline.