Thank you for sharing your feedback. We sincerely apologize for any inconvenience caused. Please rest assured that all our products are sourced from a trusted supplier, with proper invoices for transparency. In fact, we have successfully sold over 250 units of AG1 from the same supplier without any issues, and this is the first time we've encountered a concern. We are committed to resolving this matter to your satisfaction. Could you please let us know how we can assist you in making things right? Your satisfaction is important to us, and we appreciate the opportunity to resolve this.