We Trume are Professional in ozone sterilizers, home, car and mini air purifiers, vegetable washers, negative ion & plasma & ozone generators for 16 years. Our factory is located Guangming New area, Shenzhen, China and established in 1998. We have more than 6,000 square meter factory area, 1,000 square meter work center. We are a real manufacturer with R&D, Production, Sales and Service departments. And now, we're developing many series of high quality environmental appliances. Our company owns the Quality Management System of ISO9001:2008, and we have such Certifications: UL, CE, CQC, TUV, FC and our products accord with the Environment System ROHS.We had the honor to serve (Toyota Japan ) ( Wal-Mart) (Liliana Argentina)All our items is coming with certification and we have special team work for after sales services.We are ready for sign contract with yours in case you need it. As honest dealer we never crook our customers.(TIME IS GOLD) for you and for us.So we have professional production line and stuff who is making nice quality in short time.