... ,steel,etc.Advantage:Cartomizer CE2 for 510, DSE 901 1.Cartomizer CE2 big vapor 2.Cartomizer CE2 No leakage3.Cartomizer CE2 No burnt taste4.CE2 big capacity5.CE ... warranty policy2. We will replace the broken parts with new parts in the next order3. Track the order ... customer’s requirements3. CE, ROHS, SGS certification Why choose E-cigarette? 1> Green products ,smoke anytime and anywhere ,not banned ...