Shenzhen Y-Green Technology Co., Ltd Y-green is the leading electronic cigarette manufacturer insisting on independent research and development, developing self-own electronic cigarette brands in an innovative way. Y-green is the pioneer of pen clip cap, puff accounter, pass-through and magnet connecting technology to combine battery with a tank atomizer. Y-green is also amongst the first to pioneer the tank e cigarette design with ON/OFF battery switch, clear tank and battery capacity display via green, yellow and red LED lights; which have become the industry standard. As an innovative manufacturer, Y-green sets its mission to promote new lifestyle via its state-of-art and easy-to-use e-smoking products, consistently delivering high quality e-cigs and authentic e-smoking experience to smokers. Y-green Technology Co., Ltd Address: NO.10, Xingwei Road, Xixiang street , Bao�¢ï¿½ï¿½an ShenZhen, China