Charm Aroma Environmental Technology Co., Ltd. is a direct Chinese factory and it is Focusing on scent marketing for 6+ years, our products are with SGS, CE certifications etc., with 1 year warranty. We provide you high quality products and VIP service. Let’s light up your business today.We provide HVAC scent air machines, wall mounted aroma therapy diffuser, stand alone essential oil diffuser, battery scent diffuser machines and more.