1. The Shangchao version of Yanghe (Haizhilan) box does not contain any promotional items such as lighters, and if it does, it must be counterfeit
2. Every bottle of Yanghe (Haizhilan) in the hotel version has different exquisite and heavy lighters or compressed towels, or it is found that each bottle has a matchbox shape; And the rough texture is light; Lighters that are mostly beige in color must be counterfeit
3. There is an anti-counterfeiting label at the bottom of each bottle of Haizhilan's outer box. When the surface is uncovered, the anti-counterfeiting password will be displayed immediately, and 8 free telephone inquiries can be made as prompted to verify the authenticity. If there is no anti-counterfeiting label or the password is incorrect after inspection, it must be counterfeit
4. Tear it off along the dotted line next to the words "Yanghe Blue Classic" on the front and back ends of the hotel version of Yanghe (Sea Blue) outer box, and you can find that there is an anti-counterfeiting label on the top of Card A, and if you scratch it off, you can send a short message with your mobile phone as prompted. If the reply message is that the code has been inquired or that the password does not exist, It is classified as counterfeit
5. Look at the lock on the sea blue wine bottle, and if it is found that the words "foreign" and "river" (Shang Chao version) or "sea" (hotel version) before and after the lock are obviously smaller than normal, or the root joint of the lock ring has obvious irregular thickening phenomenon like solder joints, it is classified as counterfeit.