KangerTech, one of the earliest E-cigarette manufacturers, KangerTech was established in 2007. Due to our primary focus on innovation and invention, our E-cigarette models are quite popular in North America and the European Union. We uphold the highest quality standards -- therefore, all KangerTech products must pass CE, RoHS and SGS certifications and meet the international environmental management system's rigorous ISO 14000 standards. Electronic Cigarette,kanger ecigs, E-Cigarette,E-Cigs,kanger evod. kanger protank. mini protank, kangerTech, t3s , mt3. kanger T2,Kanger esmart.