Features of product: 1FDA, CE, ROHS, FCC and MSDS are approved. 2The output is over 30000 set a month. We are the leading manufactory in e-cigarette. 3Original Patents are available. 4The outlook is unique. It is popular in Europe, USA, Japan and South America. 5We choose the superior components to make sure the products have perfect appearance, such as IC, Atomizing device and batteries. 6We have 2 no dust workshops. All cartridges are filled in clear environment. Nicotine diluent is extracted from tobacco leaf or other plants containing nicotine. 7All products would be testing 8 hours before shipping. 8Our excellent designer can help you make the unique OEM order.