Shenzhen Qiwan Electronic Technology Co., Ltd was established 2008. Located in Longgang District Shenzhen City, with convenient transportation and rich resources .We are professional supplier specialized in Research & Development , production and wholesale various of USB humidifier, aroma diffuser, and USB mini fan .We have particular idea introduced advanced production facilities and test machines , also have very professional engineers with 12 years rich experience on development and research to explore new products to lead the market. Meanwhile, to improve the company management and quality of products, Qiwan always strictly implements ISO 9001 Quality Management System . Besides, our many products have passed CE, FCC, ROHS, and Quality Test Certification, and those have promoted the products' steady development in domestic and international markets, We are source manufacturer ,not only the prices is much more competitive ,but also pay more attention to fast and good service. The more you use our products ,the happier you will get more .Creative wisdom, wealth and value are the ultimate pursuit of Qiwan .Most of our customers have 30-50% increase of business every year, we hope we can also help your business grow, and let's grow together.We welcome new and old customers from all walks of life to contact us .Hope we can be good friends and keep our cooperation on the basis of mutual trust and benefit.