Dear friend, Hope everything goes well with your business. I am Sophia from SKE e-cigar manufacturer. Our company designed a new Mech Mod named Beyond. It is an innovative product which is superior to other atomizer all over the world, its working system separates the channel of e-liquid, electric, and air. TDC (Top heating Dual Coil) technology is globally originate from SKE, sharing the different enjoyment of taste for vaping lovers. If you interest it ,pls contact me . Email:ske05@skertechnology.com Skype:cc.wang88. Thank you.