Qingdao Sinofirst Electronic Co., Ltd is a high-new technology enterprise professionally engaging in R&D, manufacture and marketing on products in health and environment for many years. Our product line covers air purifier, aroma diffuser , air revitalisor and perfume dispenser. At present, our products have been exported to Europe, America, Southeast Asia and the Middel East more than 20 countries and regions, also got good reputation from domestic and foreign customers. We understand the importance of upholding your quality standards. To ensure you receive only quality products, we operate under an ISO 9001:2000 certified management system. And we use only components that are certified to international standards, including CE, GS, UL, CSA, SAA, EMC and T-Mark. Products come with a one-year warranty Our company�s principle: Quality, reputation, service is our company based on the fundamental interests of the market and customers; excellence, dedication and innovation is our foundation for rapid and sustainable development. We warmly welcome customers both at home and abroad to the company for guidance, good faith cooperation, and common development.