PROMISE--- As a professional aromatherapy supplier with 6 years OEM&ODM experience, which range from aroma diffuser, humidifier, air purifier, essential oil. reed diffuser,etc, have exported to more than 100 countries over the world. Has got many good feedback from our valued customer.Many customers ask, Why should we choose you?1. We are the only factory that offer 2 year warranty.2. With over 260 workers, 25000 square meter non-dust workshop3. Over 6 Years OEM service4. ISO, FCC, UL, CE&GS Certificate Approved.5. Los Angeles Office Branch Office supported after sale service.Still hesitate, No!!! come to us. let us start our win-win cooperation