Outstanding Design & Manufacture Co., Ltd. is a professional company, to produce Aroma Diffuser, Reed Diffuser, Scented Candle, Car freshener, Room Spray for 20 years, we are located in Shanghai with convenient transportation and rich resources. Our company covers 3,886 square meters, has professional facilities such as Aging testing room for aroma diffuser, Vacuum testing machine for liquid. Our one day capacity including: 4,200 sets Aroma Diffuser; 30,000 pieces diffuser bottles; 5,000 pieces