Lanzhou Hengli is a type A botulinum toxin approved for use in China. To distinguish authenticity, you need to check the name of the manufacturer first. The manufacturer name of authentic Lanzhou Hengli is "Lanzhou Institute of Biological Products Co., Ltd.", while the counterfeit Lanzhou Hengli is "Lanzhou Institute of Biological Products". In addition, the production date, expiration date and product batch number of genuine Lanzhou Hengli are all gray-white fonts printed by thermal sensors, while the production date, expiration date and product batch number of counterfeit goods are all printed in black.
In addition, it can also be verified by the "China Drug Electronic Supervision Code" on the drug packaging to China Drug Electronic Supervision Network.