How to tell the truth about red shell engine oil

1. Put the engine oil vertically, and see a label with the words "Shell Lubricating Oil" on the engine oil bottle cap, which is printed with color-changing ink. The color of the words changes with the viewing angle. 2. Please pay attention to your friends! The label "authentic" disappears after being dipped in water, and reappears after being dried.

3. Carefully uncover the anti-counterfeiting surface from the red arrow of the label. laser holographic film: This anti-counterfeiting method is common, and many manufacturers use this kind of laser holography. After the label is uncovered, you can look at the back of the label from different angles and flash the rainbow shell logo.

4. The 16-digit Shell security code is arranged in the upper and lower rows. The number of the logistics code under the security code should be exactly the same as the number under the unique bar code outside the security label.

5. Unique barcode: The official name is "variable barcode". In fact, each shell anti-counterfeiting label has a unique and non-repetitive bar code, which means that under any circumstances, there will be no duplication, even in the same box.

6. Miniature text: It looks like a line to the naked eye, and under the magnifying glass, it can be seen that the line consists of miniature "SHELL".

7. Call the special line 4-888-5 for Shell Anti-counterfeiting System or log on to www.yesno.com.cn website, or send a short message to 166958821885, and enter the digital number according to the prompt (please note that it is an anti-counterfeiting number, not a logistics or management code) to immediately verify the authenticity of the product, and enter the 16-digit anti-counterfeiting code according to the prompt language to know the authenticity of Shell Lubricating Oil. When the anti-counterfeiting labels of all the newly packaged products of Shell are uncovered, it can be seen that the anti-counterfeiting codes are all 16 digits, and they can only be checked once.

8. The red word "SHELL" appears on the label on the second floor under the irradiation of ultraviolet light. 3. At present, Shell Lubricant 4L has telephone anti-counterfeiting inquiry, but all 1L engine oil products have no anti-counterfeiting inquiry. ?