*How to order?1. Sample order is accepted,OEM are welcome. 2. Tell us what kind of model, color, battery capacity you want.3. Issue Invoice for customer.4. Clients check invoice.5. After payment, we will produce products, and then send products after 2-5days.6: shipping way: EMS, UPS, and DHL TNT.*Joyelife After-Sales Service:We provide high quality recommened products for all clients.We provide 6 months warranty for batteries,3 months for atomizers and other accessories.We will only send the replacement with your next order in case of any problem for products.*The process of replacement:1). Show us the defective products via picture,video,2). Comfirm the quantity,3). We will find out the problem and to solve,4). We only send the replacements with your next order,5). Client send back the defective products to us and pay the shipping cost.