Product authenticity identification: The machine cannot identify the authenticity just from the appearance. It is recommended to purchase through formal authorized channels (Joyang official website - Sunshine Service - Online shopping platform section / purchase in physical stores in various places). Currently, Joyoung products are not anti-counterfeiting. logo, it is recommended to purchase the machine through formal channels. The barcode is only the factory code of the product and does not provide anti-counterfeiting