Eleaf designed and manufactured iStick series, which have earned great reputations. iStick mini first met the world in the September, 2014 and aroused great waves in the vaping circle. With this momentum, we developed istick 20W, iStick 30W, iStick 50W continually. They all enjoyed great reputation in the world. When newly temperature control element coming into electronic cigarette world, we responded actively and developed iStick TC40W, iStick TC60W, and iStick TC100W in succession. These temperature control e-cigarette devices continue iStick series popularity. They have been our most popular products now.